Question

ajudem pfv amores pfv​

Answer 1

$- \frac{4a}{3} \times \frac{6ab}{4} + \frac{ab}{2}$

$- 2 {a}^{2} b + \frac{ab}{2}$

$- \frac{4 {a}^{2} b}{2} + \frac{ab}{2}$

$\frac{ - 2 {a}^{2}b + ab }{2}$

ou, simplificando:

$( \frac{ab}{2} )(- 4a + 1)$