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Mathematics 8 Online
OpenStudy (anonymous):

factor 9-x^2

OpenStudy (anonymous):

\[9-x^2\]

hartnn (hartnn):

hint \(\huge a^2-b^2=(a+b)(a-b)\)

OpenStudy (anonymous):

I came up with (-x+3)(x+3)

hartnn (hartnn):

thats correct!

OpenStudy (kaederfds):

3^2-x^2 = (3+x) (3-x)

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