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

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

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User HanJeaHwan
by
8.4k points

1 Answer

5 votes
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
answered
User Tobonaut
by
7.9k points
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