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10-02-2017
Mathematics

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simplify the algerbaraic expression 3x(5x+4)+3x-(7-x)

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10-02-2017

3x (5x+4)+3x-(7-x)
(3x.5x)+(3x.4) +3x-7+x
15x+12x+3x-7+x
27x+3x-7+x
30x-7+x
31-7

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