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Mathematics 13 Online
OpenStudy (anonymous):

simplify (x^2-10x+9)/(x^2+2x-3)

OpenStudy (cwrw238):

factor the top and bottom of the expression and see if you can cancel

OpenStudy (cwrw238):

can you factor x^2 - 10x + 9 ?

OpenStudy (anonymous):

yes but i dont know what to do after taht

OpenStudy (cwrw238):

ok it factors to (x - 9((x - 1) ----------- (x + 3)(x - 1)

OpenStudy (anonymous):

x-9 ----- x+3 ?

OpenStudy (cwrw238):

do you notice something when you compare the top and bottom?

OpenStudy (cwrw238):

right!! - you did it

OpenStudy (anonymous):

THANK YOU!!! :)

OpenStudy (cwrw238):

no probs - as you did - x-1 cancel out

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