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Mathematics 16 Online
OpenStudy (anonymous):

Find the two products below. Compare and contrast, in complete sentences, the similarities and differences of the two. (x + 6)(x − 6) and (x − 6)(x − 6)

OpenStudy (anonymous):

the first one is difference of two squares. the second is square of a binomial

OpenStudy (anonymous):

can you compare?

OpenStudy (marissalovescats):

First FOIL the 1st and 2nd one.

OpenStudy (anonymous):

what is foil?

OpenStudy (marissalovescats):

Because the 1st one is a difference of squares, the middle term will cancel out and it will be a 2 term polynomial. And the 36 at the end will be negative. Where as the other is the opposite and will have 3 terms and the middle term wont cancel out. The 36 at the end will be positive. Both deal with 6's and x^2s.

OpenStudy (marissalovescats):

It's first outter inner last. When you combine 2 binomials.

OpenStudy (anonymous):

oh alright thank you :)

OpenStudy (marissalovescats):

Yw. But you still need to FOIL to get your 2 products.

OpenStudy (anonymous):

so how do I do that?

OpenStudy (marissalovescats):

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