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Mathematics 8 Online
OpenStudy (anonymous):

Simplify 4(x^2-y^2) /2x-y

jhonyy9 (jhonyy9):

you missed in denominator some parentheses like 2(x-y) - how you have wrote not can simplify nothing

jhonyy9 (jhonyy9):

- so in this case with this parentheses in numerator us formula a2 - b2 =(a-b)(a+b)

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