Question

AYUDA CON LA ECUACION:
7(x-4)^2-3(x+5)^2=4(x+1)(x-1)-2

Answer 1

7(x-4)^2-3(x+5)^2=4(x+1)(x-1)-2
7(x-4)^2-3(x+5)^2=4x^2-6
-86x+37=-6
-86x=-43
x=-(43/-86)
x=-(1/-2)
x=1/2