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Mathematics 10 Online
OpenStudy (anonymous):

Simplify: x^2-100/x^2+7x-30

OpenStudy (anonymous):

i need help

OpenStudy (saifoo.khan):

Factor both, the numerator and denominator.

OpenStudy (saifoo.khan):

x^2 - 100 can be written as, (x-10)(x+10) Agree?

OpenStudy (anonymous):

yes

OpenStudy (anonymous):

so the second part is x+3

OpenStudy (saifoo.khan):

x^2+7x-30 = (x-3) (x+10)

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