Question

solve this method by factorization method​

Answer 1

Answer:

x2−5x−36=0

∴x2−(9−4)x−36=0

∴x2−9x+4x−36=0

∴x(x−9)+4(x−9)=0

∴(x−9)(x+4)=0

∴x=9 or x=−4

∴ The roots of the given equation are 9 and −4.

Answer 2

$x { }^{2} - 9x + 4x - 36 = 0 \\ x(x - 9) + 4(x - 9) \\ (x + 4)(x - 9) = 0 \\ x = - 4 \: and \: 9$

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