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Old 07-24-2007   #5
jurassicko
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2..................x_____ +_____5x-45.....x^2-81I assume you mean:2..................x_____ +_____5x-45.......x²-81simplify/factorise the denominators,2..........................x_______ +_________5(x - 9)........(x + 9)(x - 9)make the denominators the same,2*(x + 9).......................x*5___________ +____________5(x - 9)(x + 9)........5(x + 9)(x - 9)2x + 18 + 5x___________5(x - 9)(x + 9)7x + 18____________5(x - 9)(x + 9)