Question

ayuden porfa porfa vor​

Answer 1

$3)A = (3x - 1)(x + 2) \\ A = 3 {x}^{2} + 5x - 2$

$4)3(x - 2) = - 2(4 - x) + 5 \\ 3x - 6 = - 8 + 2x + 5 \\ 3x - 6 = 2x - 3 \\ 3x - 2x = - 3 + 6 \\ x = 3$