Binomials

By Sofia Leonardini

What is F.O.I.L.? How do you use it?

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Foil Face

How to get the answer from two binomials?

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My Problems

(x-5)(x-5)

X2-5x-5x+25

x2-10x+25

(3x-3y)(3x-3y)

3x2-9xy-9xy+3y2

3x2-18xy+3y2

9x2-18xy+9y2

How I did these problems

I solved these problems with the instructions from the informational pictures above. FIrst I used F.O.I.L., then I combined like terms, and came out with my answer.
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