Question

(2a+3b) and (4a+5b)

First answer 7 points​

Answer 1

$(2a + 3b) (4a - 5b)$

$2a (4a - 5b) +36(4a - 5b)$

${8a}^{2} - 10ab \: + 12ab - {15b}^{2}$

${8a}^{2} + 2ab - {15b}^{2} \: is \: the \: \: answer$