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Mathematics 7 Online
OpenStudy (anonymous):

subtract simplify if possible h/u+h - h/u-h

OpenStudy (anonymous):

you have to find the common denominator

OpenStudy (anonymous):

are you there?

OpenStudy (anonymous):

yes i am can you show me plse

OpenStudy (anonymous):

[h(u-h)-h(u+h)]/[(u+h)(u-h)]

jhonyy9 (jhonyy9):

us formula a^2 -b^2 =(a-b)(a+b) for denominator multiple in nominator and see what you will get

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