Question

(6x+12)(6x-12)=36x-144

Answer 1

Solución:
=> ( 6x + 12) ( 6x - 12) = 36x -144

=> 36x^2 - 72x + 72x - 144 = 36x - 144
=> 36x^2 -144 = 36x - 144
=> 36x^2 - 36x - 144 + 144 = 0
=> 36x^2 - 36x = 0.......(Dividiendo por 36)
=> x^2 - x = 0
Factorizando:
=> x( x-1) = 0
Teorema del factor nulo:
=> x = 0
=> x-1 = 0
=> x = 1
Respuesta: S= { 0,1}

Suerte. Kichy05

Answer 2

$(6x+12)(6x-12)=36x-144$

$36x^{2}-144=36x-144$

$36x^{2}-36x=0$

$36x(x-1)=0$

x=0 y x=1