SOLUTION: how do i reduce these equations 8x^2 - 50y^2 ___________ ______ 8x^2 - 18XY -5y^2 5x - 10 _____ 3x^2 + 18x +27 _______ ___________ _ 6x + 18 * 5x^2 + 5x - 30

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Question 518091: how do i reduce these equations
8x^2 - 50y^2
__________________
8x^2 - 18XY -5y^2




5x - 10 _____ 3x^2 + 18x +27
_______ _____________
6x + 18 * 5x^2 + 5x - 30

4 _____________ 1
__________ _________
x^2 + 4x + x + 4

a/b + 1
____________
a^2/b^2 - 1


5 ____________ 7
______ = ____________
2y + 3 4y - 3

saliym1988@yahoo.com

Answer by solver91311(24713)   (Show Source): You can put this solution on YOUR website!


I can't make heads or tails out of most of your mess. Use lots of parentheses and a forward slash to indicate the vinculum next time. And either capitalize all of your variables or don't capitalize any of them. X and x are two different things.

Also, one problem per post.



Factor a 2 out of the numerator:



Factor the difference of two squares in the numerator:



Factor the denominator: (Hint: you should expect at least one of your numerator factors to show up in the denominator, otherwise the original fraction is irreduceable)

Try . That would mean that the first term of the other factor would have to be , the second term would have to be and because the first factor has a plus sign, and the term sign is negative, the second factor must have a minus sign.

So do FOIL on to see if it equals . If it works you are done and can eliminate the factor from both numerator and denominator. If it doesn't work then you have to try .

John

My calculator said it, I believe it, that settles it
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