• anonymous
Simply the rational expression and show the steps. x^2-5xy-14y2 over x^2-5xy+6y2 I Have tried and i just haven't been able to get an answer
  • Stacey Warren - Expert
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  • jamiebookeater
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  • welshfella
we need to factor both parts x^2 - 5xy -14y^2 will factor to something like (x + ay)(x + by) where a and b are numbers to be found a * b will equal -14 and a + b will equal -5
  • welshfella
Hint:- -7 * 2 and -2 * 7 will = -14 we have to decide which one it from the fact that a + b = -5 can you see which one is correct?
  • welshfella
add -7 to 2 and add 7 to -2 what are the results?

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