15-05-2018
Mathematics

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how do you solve: x^2-7x+10=28

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choixongdong choixongdong

15-05-2018

x^2-7x+10=28
x^2 - 7x - 18 = 0
(x - 9)(x + 2) = 0

x - 9 =0; x = 9
x +2 =0; x = -2

answer
x = 9 , x = -2

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