Question

Efetue:

3x (x + 2) + (x - 1)² = x + 1

Answer 1

3x(x+2)+(x-1)²=x+1
3x²+6x+x²-2x+1=x+1
4x²-3x=0
Aplicamos bhaskara:
(3+√9)/8 = 6/8 ou 0