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Mathematics 7 Online
OpenStudy (anonymous):

Help Please?!?! Find the product of (x + 5)(x − 5). x2 − 10x + 25 x2 + 10x + 25 x2 − 25 x2 + 25

OpenStudy (anonymous):

x2-25

OpenStudy (anonymous):

wow that was fast! Thanks! :)

OpenStudy (anonymous):

you are supposed to recognize that \[(a+b)(a-b)=a^2-b^2\] right away. that is why it is fast

OpenStudy (anonymous):

Oh... I'm just learning this stuff. I am taking Alg. 1 this summer.

OpenStudy (anonymous):

summer classes are too fast. have to do lots of work!

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