Question

please answer me fast
step by step​

Answer 1

(4x²-7y+8x) - (x²-(x²+y)- 2y+8x)

4x²-7y+8x -(x²-x²-y-2y+8x)

4x²-7y+8x -(-3y+8x)

4x²-7y+8x +3y-8x (cancelling +8x and -8x)

4x²-4y

please mark as brainliest

Answer 2

Asking questions is good but for Mathematics you should practice from now itself