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45 votes
45 votes
Factor the given equation:x^2 -2x -8=0

User Parag Doke
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1 Answer

13 votes
13 votes

ANSWER:


(x+2)\cdot(x-4)

Explanation:

We have the following equation


x^2-2x-8=0

We factor by decomposing as follows:


\begin{gathered} -2x=2x-4x \\ \text{replacing} \\ x^2+2x-4x-8 \\ (x^2+2x)+(-4x-8) \\ x(x+2)-4(x+2) \\ (x+2)\cdot(x-4) \end{gathered}

User TheWommies
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