Question

Which expression is equivalent

Answer 1

Hello from MrBillDoesMath!

Answer:

None of the provided answers is correct.

Discussion:

The correct answer is "none of the provided answers". The last term in 9x^2 - 2y + 3x^2 - 3y^2 is

-3y^2

None of the answers provided have a y^2 term! Check it out. Someone made a bo-bo and it wasn't MrBill!

Thank you,

MrB

Answer 2

`Answer:10 {x}^(2) - 4y + 2 {x}^(2) - y`