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Mathematics 12 Online
OpenStudy (anonymous):

(sinx-cosx)(sinx+cosx)

OpenStudy (anonymous):

Multiply and simplify the problem above please

OpenStudy (mertsj):

What is (x-3)(x+3) ?

OpenStudy (anonymous):

How did you get that?

OpenStudy (mertsj):

I made it up to see if you could do it because your problem is like that.

OpenStudy (anonymous):

ok thanks. I have some more problems.

OpenStudy (anonymous):

factor this 1-125 tan3 s

OpenStudy (anonymous):

factor and simplify 2 cos^2 x + cos x - 3

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