Question

Qual a resposta dessa equação? (x+1) (x+2)= 7x-10

Answer 1

(x+1) (x+2)= 7x-10
x^2 +2x +x +2 = 7x -10
x^2 +2x +x -7x= -10 -2
x^2 +3x -7x= -12
x^2 -4x= -12
x -4x= -12
-3x= -12
x= -12/-3
x= 4