Simplify completely 5x 2 9x 2 x 2 12x 20


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Simplify completely 5x^2+9x-2/x^2+12x+20*x^2+17x+70/15x-3 ...?

Answered by wiki @



The solution to the problem is as follows:


5x^2 + 9x - 2 / x^2 + 12x + 20 multiply x^2 + 17x + 70 / 15x - 3 

=[(5x-1)(x+2)]/[(x+2)(x+10)] multiply [(x+7)(x+10)]/[3(5x-1)] 


=(x+7)/3


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