Question

Como resolver a equaçao 4x(×-1)=2×+6

Answer 1

bora resolver?

4x(x -1)   = 2x +6
4x.x -4.1 = 2x +6
4x²  -4    = 2x +6
4x² -2x -4 -6 = 0
4x² -2x -10 = 0          eq. 2o. grau