Question

do applying identify (2a-5b)²​

Answer 1

Answer:

using identities

(a-b)²= (a)²-2ab+(b)²(2a-5b)²

=(2a)²-2×2a×5b +(5b)²4a²-20ab+25b²

Step-by-step explanation:

@darksoul

Answer 2

Step-by-step explanation:

(2a-5b) ^2

By Identity:

$(a - b) {}^{2}$

By Identity

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

= 4a^2 - 20ab + 25b^2

:)