Subjects algebra

Null Factor Law

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1. **State the problem:** Solve the equation using the null factor law. 2. **Explain the null factor law:** The null factor law states that if a product of factors equals zero, then at least one of the factors must be zero. Mathematically, if $A \times B = 0$, then either $A = 0$ or $B = 0$. 3. **Apply the law:** Suppose the equation is given in the form $f(x) \times g(x) = 0$. 4. **Set each factor to zero:** $$f(x) = 0$$ $$g(x) = 0$$ 5. **Solve each equation separately:** Find the values of $x$ that satisfy each equation. 6. **Combine solutions:** The solution set is the union of all solutions from each factor. **Note:** Since the original equation was not provided, this is the general method to solve equations using the null factor law.