Question

evaluate (5x-2y)² please find the answer​

Answer 1

Step-by-step explanation:

(5x - 2y)^2

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

= (5x)^2 + (2y)^2 -2(5x)(2y)

= 25x^2 + 4y^2 - 20xy

Answer 2

Step-by-step explanation:

$x - y = 5 - 2 \times 2 = 5 - 4 = 1 \\ xy = 1$

answer hai