Question

Factorise 2asquare -9ab-5

Answer 1

2a2 -9ab-5

2a2-10ab+ab-5

2a(a-5b)+1(a-5b)

(2a+1)(a-5b)

Answer 2

$\huge\bold{ANSWER~:}$

$= 2 {a}^{2} - 9ab - 5 \\ \\ = 2 {a}^{2} - 10ab + ab - 5\\ \\ = 2a(a - 5b) + 1(a-5b) \\ \\ = (2a+1)(a-5b)$

mark as brainliest answer and plz follow me.