Question

anwer the question I will mark them as brainliest​

Answer 1

Answer:

$3. \\ = 2 {x}^{2} + x - 45 \\ = 2 {x}^{2} + 10x - 9x - 45 \\ = 2x(x + 5) - 9(x + 5) \\ = (x + 5)(2x - 9) \\ 5. \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \\ = {(p + q + 3)}^{2} \\ = (p + q + 3)(p + q + 3) \\ = {p}^{2} +pq + 3p + pq + {q}^{2} + 3q + 3p + 3q + 9 \\ = {p}^{2} + {q}^{2} + 9 + 2pq + 6q + 6p$

pls mark as BRAINLIEST

Answer 2

Step-by-step explanation:

${2x}^{2} + x - 45 \\2x^{2} + 10x - 9x - 45 \\ 2x | x + 5| - 9 |x + 5| \\ |2x - 9| |x + 5|$