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March 26, 2017

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find each product and simplify if possible:

9z+5 X 5z
---- -----
15 81z(exponent 2) -25

  • Algebra II - ,

    try typing it like this:

    (9z+5)/15 * 5z/(81z^2 - 25)
    = (9z+5)/15 * 5z/[9z+5)(9z-5)]
    = 1/3 * z/(9z-5) I canceled (9z+5) and a 5
    = z/[3(9z-5), z not equal to zero or 5/9

    check my steps, sometimes I make error when I am solving and typing at the same time.

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