niurkat9 niurkat9

26-02-2015
Mathematics

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how to solve 2-z/4+5z•3/z as a rational expression

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Panoyin Panoyin

26-02-2015

2 - z + 5z × 3
4    z
2 - z + 15z
4 z
z(4)(z) + 15z(z)(4)
4(z)     4(z)
4z² + 60z²
4z    4z
64z²
4z
16z

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