Lexis18 Lexis18

18-01-2016
Mathematics

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10 times the square of a nonzero number is equal to 80 times the number what is the number

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eissicebaby eissicebaby

18-01-2016

10(x^2) = 80x
(divide by the 10)
x^2 = 8x
which also equals
(x)(x) = 8x
(divide by x)
x = 8

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