Question

Factorize:-
(2a-b)^2-10a+5b

Answer 1

${(2a - b)}^{2} - 10a + 5b \\ {(2a - b)}^{2} - 5(2a - b) \\ (2a - b)(2a - b - 5)$

Answer 2

(2a-b)^2-5(2a-b)
=>(2a-b)(2a-b-5)