Question

The expression two expression is x²-y²+ 3 y - 5 if one of them is 2y² + 2 x-y - 10 find the other​

Answer 1

Answer:

yeplon:

x²-y²+ 3 y - 5 - ( 2y² + 2 x-y - 10)

= x²-y²+ 3 y - 5 - 2y² - 2 x + y + 10

= x²-3y²+ 4y - 2 x + 5