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Mathematics 22 Online
OpenStudy (anonymous):

~~~~GIVING OUT A MEDAL AND FANNING WHOEVER HELPS ME THANK YOU!!!~~~~~~~~ Find the product of (2x − 5y)2. 4x2 + 20xy + 25y2 4x2 − 20xy + 25y2 4x2 − 25y2 4x2 + 25y2

OpenStudy (anonymous):

@SA5UK3

OpenStudy (anonymous):

@celecity

OpenStudy (anonymous):

Im sorry i have three more questions after this

OpenStudy (anonymous):

Alright, the key with the ^2 at the end is that it means you have two of that set of parentheses \[(2x-5y)^2 = (2x-5y)(2x-5y)\] You're going to need to learn how to foil for all questions like this.

OpenStudy (anonymous):

It won't take very long to learn :)

OpenStudy (texaschic101):

I agree....the FOIL method

OpenStudy (anonymous):

Ok

OpenStudy (anonymous):

The next answers i will still put up just so you can check it but im going to give you my answer too okay

OpenStudy (anonymous):

Okay so the first step with FOIL is to multiply the first term is the first parentheses -- 2x -- and the second set of parentheses. |dw:1374291458813:dw Sure I don't mind checking your work :)

OpenStudy (anonymous):

Oh that didn't go through :/

OpenStudy (anonymous):

Thank you n ohh lol

OpenStudy (texaschic101):

do you understand FOIL ?

OpenStudy (anonymous):

|dw:1374291539892:dw|

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