Question

Factorize the quadratic equation (x+5) (x - 4) = 0.​

Answer 1

We have,

x^2−5x+4=0

x^2−(1+4)x+4=0

x^2−x−4x+4=0

x(x−1)−4(x−1)=0

(x−1)(x−4)=0

x=1 or x=4

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