🧮 algebra
Step-by-step solutions with LaTeX - clean, fast, and student-friendly.
Walking Time
1. **State the problem:** Gab walks 80 steps in 2 minutes, each step is 5 dm. We need to find how many minutes it will take her to walk 5000 dm.
2. **Calculate the distance Gab wal
Selling Price Discount
1. The problem states that the marked price (m.p) of an item is 1550 and the discount given is 8%.\n\n2. We need to find the selling price after applying the discount.\n\n3. The di
Simplify Expression
1. **State the problem:** Simplify the expression $a - 2b + a - b$.
2. **Group like terms:** Combine the terms with $a$ and the terms with $b$ separately.
Simplify Expression
1. **State the problem:** Simplify the expression $2x + y + 3x + 2y$.
2. **Group like terms:** Combine the terms with $x$ and the terms with $y$ separately.
Simplify Monomials
1. The problem is to fully simplify the expression $5a^3 f^4 \times 3a^2 f^3$.
2. Start by multiplying the coefficients (numbers) together: $5 \times 3 = 15$.
Simplify Polynomial
1. **State the problem:** Simplify the expression $$6y^2 + y \times 5 + 8y \times y + 4 \times y$$.
2. **Rewrite the terms:**
Simplify Expression
1. **State the problem:** Simplify the expression $3y + 5 - y - 2$.
2. **Combine like terms:** Group the terms with $y$ and the constant terms separately.
Expand Simplify
1. **State the problem:** Expand and fully simplify the expression $$t(9t + 5) - t(t + 2)$$.
2. **Expand each term:**
Exponent Equation
1. We are given the equation $$(x^3)^8 = (x^6)^d$$ and need to find the value of $d$.
2. Apply the power of a power rule, which states $$(a^m)^n = a^{m \times n}$$.
Simplify Expression
1. **State the problem:** Simplify the expression $2x - 4 + x + 2$.
2. **Combine like terms:** Group the terms with $x$ and the constant terms separately.
Complete Square
1. The problem asks to express the quadratic expression $x^2 + 6x$ in the form $(x + a)^2 + b$, where $a$ and $b$ are integers.
2. Start by recalling the expansion of a perfect squ
Simplify Expression
1. **State the problem:** Simplify the expression $x + 3 + x - 1$.
2. **Combine like terms:** Group the $x$ terms and the constant terms separately.
Discount Calculation
1. The problem states that the marked price (m.p) of an item is 850 and there is a discount of 5%.\n\n2. To find the discount amount, calculate 5% of 850 using the formula: $$\text
Explain 9B
1. The expression given is $9b$.
2. This represents the product of the number 9 and the variable $b$.
Binomial Expansions
1. **Problem 9a:** Write down the first four and last two terms of the binomial expansion of $ (2 + x)^n $ where $ n \in \mathbb{Z}^+ $.
The binomial expansion formula is:
Prime Factorization
1. The problem is to express 144 as a product of its prime factors.
2. Start by dividing 144 by the smallest prime number 2: $$144 \div 2 = 72$$.
Sequence First Term
1. **State the problem:** We have a sequence where each term is obtained by adding 4 to the previous term and then dividing by 2.
2. **Given terms:** The sequence is \(a_1, 6, 5, 4
Sequence Term
1. **State the problem:** We have a sequence where each term is found by multiplying the previous term by 4 and then subtracting 34.
2. **Given:** The 12th term, $a_{12} = 25$.
Sequence Subtraction
1. The problem gives a sequence with some missing terms and a term-to-term rule: subtract 12.
2. The known terms are the 2nd term = 23 and the 3rd term = 11.
Linear Equations
1. المشكلة: لدينا معادلتان خطيتان تمثلان مجموع عددين $x$ و $y$، حيث:
$$x + y = 12$$
Expression Simplification
1. **State the problem:** Simplify the expression $$725 - [20 \times \{10 + 7 + (7 \times 5 - 3)\}]$$.
2. **Calculate inside the parentheses:**