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Factor this polynomial completely{x}^(2) - x - 20
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2 votes
Factor this polynomial completely
{x}^(2) - x - 20

User Gate
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1 Answer

7 votes

Step-by-step explanation

Given the expression


x^2-x-20

Therefore;


\begin{gathered} x^2-x-20 \\ =x^2-5x+4x-20 \\ =x(x-5)+4(x-5) \\ =(x+4)(x-5) \end{gathered}

Answer:


(x+4)(x-5)

User Dasdingonesin
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