Question

I WILL FAN AND MEDAL! PLEASE HELP!
Find the product of (2x + 5y)2.

4x2 + 20xy + 25y2

4x2 − 20xy + 25y2

4x2 − 25y2

4x2 + 25y2

Answer 1

1st option

Answer 2

\[(2x+5)^2\]

Is this your problem? :)

Answer 3

\[a ^{2}+b ^{2}+2ab\]

Answer 4

Yep @celecity

Answer 5

Okay so this means:
\[(2x+5)(2x+5)\]
Are you familiar with FOIL?

Answer 6

No :(

Answer 7

That's fine, now you'll learn!

So you're going to multiply with foil.

Here's an example of what we're going to do.