Question

please answer who can answer I will mark brainllist please...​

Answer 1

1. (x−2y+3)² + ( x+ 2y -3 )²

solution

⟹ 2(x)²+8y²+ 2(3)²+2.( x ) (-2y) + 2.( 2y) (-3)+2.(-3)(x)

⟹ 2x²+8y²+18-24y

2. (3k-4r-2m)²-(3k+4r-2m)

solution

⟹ 2(3k)²+2(4r)²+2(-4r) ( -2m)+2.

(3k) (-2m)+2(3k)(4r) +2.(4r) +2.(4r) - (2m+2.(-2m)(3k)

⟹ 18k²+32r ²+8m²+24mk

3. solution in attachment

hope it's help full Army it's wrong means I am sorry