haley161 haley161

05-03-2017
Mathematics

Answered

(7x+3)(x-9) need help

Verified Answer :

Anonymous Anonymous

05-03-2017

7x^2-63x+3x-27=0

Simplify.

7x^2-60x-27=0

To find value of x, 7x+3=0
x-9=0

x1=-3/7
x2=9

Substitute back in equation to find the answer either x1 or x2

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