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Mathematics 8 Online
OpenStudy (anonymous):

Simplifying Rational Expressions

OpenStudy (anonymous):

hartnn (hartnn):

could you factorize the numerator ? or denominator ?

OpenStudy (anonymous):

not really...

OpenStudy (anonymous):

how do i do that?

hartnn (hartnn):

can you tell me 2 numbers with product = 35 and sum = 12 ?

OpenStudy (anonymous):

1? idk i really don't know.

OpenStudy (anonymous):

can you just help me?!

hartnn (hartnn):

factors of 35 are ??

OpenStudy (anonymous):

1, 5, 7, 35

hartnn (hartnn):

right, so which 2 numbers among them add up to 12 ?

OpenStudy (anonymous):

OHHHHHHH

OpenStudy (anonymous):

5 & 7

OpenStudy (anonymous):

whats next?!

hartnn (hartnn):

yes, so we write it as x^2+ 5x+7x +35 now factor out 'x' from first 2 terms, what u get ?

OpenStudy (anonymous):

is it the last one?

OpenStudy (anonymous):

like is the the last answer

hartnn (hartnn):

no its not

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