Question

Calcula el valor de la incognita

(x-1)(9x+1)=(3x+2)2

Answer 1

9X^2-14X-5=0

(X-1).(9X+1)=(3X+2).2

Aplicamos distributiva en ambos casos

9X^2+X-9X-1=6X+4

9X^2-8X-6X=4+1

9X^2-14X=5

9X^2-14X-5=0