Question

Indica la suma de raices luego de resolver:
(x+7)(x+3)=10(x+2)+2
pls con resolucion

Answer 1

x^2+3x+7x+21=10x+20+2
x^2+10x+21=10x+22
x^2+21=22
x^2=22-21
x^2=1
x^2=1
Resultado
X1= -1
X2= 1