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OpenStudy (anonymous):
Multiply and simplify http://curriculum.kcdistancelearning.com/courses/ALG1x-HS-CA10/b/Exams/9HW2/9HW2_q8.gif
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OpenStudy (anonymous):
simplify x2+20x+99 1st up. x2 + 11x + 9x+99 x(x+11) + 9(x+11) => (x+9)(x+11) also x2-9 = (x+3)(x-3) (since a2-b2 = (a+b)(a-b) question reduces to - |dw:1367027367760:dw| which on solving gives x-3/ x+9. = ans.
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