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Multiplying Binomials

In this video, we are going to look at how to multiply binomials.
For example:
To multiply (x+5)(x-3) we have to distribute twice.
When we distribute the x to the terms in the second binomial, we get x^2 and -3x. When we distribute the 5 to both terms, we get 5x and -15. So now we are left with
x^2-3x+5x-15
From here, we want to combine like terms, to give us a final answer of
x^2+2x-15

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