Question

Me ajudem por favor eu preciso muitoo

Answer 1

a)

$4x \times (2a - 3b) \\ (4x \times 2a) - (4x \times 3b )\\ 8ax - 12bx$

b)

$(3x + 5) \times (2x + 3) \\ (3x \times 2x) + (3x \times 3) + (5 \times 2x) + (5 \times 3) \\ 6 {x}^{2} + 9x + 10x + 15 \\ 6 {x}^{2} + 19x + 15$