(4x-3y)^2 simplify

- anonymous

(4x-3y)^2 simplify

- jamiebookeater

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- anonymous

16x²+9y²-24xy I think

- anonymous

Do I start by using the FOIL method? (4x-3y) (4x-3y)

- anonymous

That's what I did @Buster14

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## More answers

- anonymous

Okay. Thank you for your help. It's been a long time since I've used the FOIL method. I'm working on solving it...slowly but surely. I'll let you know if I come up with the same answer as yours.

- anonymous

I just learned this if you still need help I can, but I don't use the foil method I don't think

- anonymous

I got a different answer: 16x^2 + 9y^2

- anonymous

let me see what I got

- anonymous

Use Square of Difference: (a−b)2=a2−2ab+b2
(4x)2−2×4x×3y+(3y)2

- anonymous

That's what that is called ^

- anonymous

Use Distributive Property (Multiplication): (xy)a=xaya
42x2−2×4x×3y+(3y)2

- anonymous

Simplify 42 to 16
16x2−2×4x×3y+(3y)2

- anonymous

yeah you can distribute if you change the problem to (4x - 3y)(4x - 3y)

- anonymous

@Buster14 You forgot the O and the I in FOIL

- anonymous

Use Distributive Property (Multiplication): (xy)a=xaya
16x2−2×4x×3y+32y2

- anonymous

Simplify 32 to 9
16x2−2×4x×3y+9y2

- anonymous

Simplify 2×4x×3y to 24xy
16x2−24xy+9y2
Done :D

- anonymous

live help not a calculator lolol plus kinda confusing to read

- anonymous

I am a calculator :)

- anonymous

@Pax Snap...the O is very important. I will work it again.

- anonymous

@Buster14 And the I too, but since it is a perfect square binomial the O and the I should be the same

- anonymous

@Thesmarterone I will try your method as well. Can't go wrong when using a calculator.
@KaylaIsBae I'm working on your way too.
Thank you all so much! I have a huge test tomorrow!

- anonymous

okay you're welcome :)

- anonymous

@Thesmarterone I think your way is confusing...2 many steps!

- anonymous

(a - b)^2 = a^2 - 2ab - b^2
I believe that is what I used in my school lesson

- anonymous

Well, after all, it is the hard way :L

- anonymous

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- anonymous

What school do you do

- butterflydreamer

@KaylaIsBae , the formula is
(a - b )^2 = a^2 - 2ab + b^2 :)

- anonymous

@KaylaIsBae Nursing, I'm taking the TEAS test tomorrow.
Thanks for the visual formula, so helpful. I understand it now!

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