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Mathematics 15 Online
OpenStudy (anonymous):

What is the simplified form of x^2-25/x+5? A.x-5 restriction -5 B.x+5 restriction -5 C.x-5 restriction 5 D.x+5 restriction 5

OpenStudy (raden):

hint : x^2-25 = (x+5)(x-5)

OpenStudy (anonymous):

Wat?

OpenStudy (anonymous):

x+5*x-5/x+5?

OpenStudy (raden):

yeah, then u can cancel out the similar terms (numerator VS denominator) :)

OpenStudy (anonymous):

x-5

OpenStudy (anonymous):

but, wat's the restriction?

OpenStudy (raden):

denominator cant equal zero, so |dw:1364070520278:dw|

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