Question

How to simplify (x-2y+3)2 + (x+2y-3)2

Answer 1

Step-by-step explanation:

see the solved answer in image

Answer 2

Answer:

-4.

Step-by-step explanation:

(x- 2+ 3)2 + (x+ 2y- 3)2

multiply both equation by 2

(2x- 4y+ 6) + (2x+ 4y- 6)

it comes to 4x= 0

then x = -4.