Math, asked by aarushityagi, 1 year ago

if xsquare + kx - 35 =(x-5) (x+7) , find the value of k.

Answers

Answered by Anonymous

0

x^2+kx-35=(x-5) (x+7)
x^2+kx-35=x(x+7)-5(x+7)
x^2+kx-35=x^2+7x-5x-35
kx=2x
k=2.

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