Question

Find the product of (2x + 5y)^2.

my answer is 4x^2 − 25y^2

Am I right? :)

Answer 1

Try again

Answer 2

ok

Answer 3

4x^2 − 20xy + 25y^2

This?

Answer 4

Where did the negative come from?

Answer 5

Meant this 4x^2 + 20xy + 25y^2

Answer 6

Yes

Answer 7

Thank you :)

Answer 8

No problem :D

Answer 9

I'm curious though, how did you get your first two answers?

Answer 10

It was a typin error