hkidder hkidder

30-03-2017
Mathematics

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How to solve the equation 9x squared =49 by factoring

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aksareji6 aksareji6

30-03-2017

9x^2 - 49 = 0
(3x-7)(3x+7) = 0
x = 7/3 or x = -7/3

y-3 = -3x
(y-3)/(-3) = x, or
(3-y)/3 = x

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