Question

(3х-1)(2х+7)-(х+1)(6х-5)=16

Answer 1

6x^2+21x-2x-7-6x^2+5x-6x+5=16
-18x=18
-x=1
x=-1

Answer 2

$〖(6x〗^2+21x-2x-7)-(6x^2-5x+6x-5)=16 6x^2+21x-2x-7-6x^2+5x-6x+5=16 18x=18 X=1$