Question

split the middle term ​

Answer 1

x^2 - 4x-5=0

x^2 - 5x+1x-5=0

x(x-5) +1(x-5)=0

(x-5)(x+1)=0

x=5 or x=-1

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Answer 2

Answer:

$= {x}^{2} - 4x - 5 \\ = {x}^{2} - 5x +x - 5 \\ = x(x - 5) + 1(x - 5) \\ = (x - 5)(x + 1) \\ = x = 5 \: or \: - 1$

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