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(2x-3)^2=49 (2x - 3 ) ^(2) = 49 completing the square

(2x-3)^2=49 (2x - 3 ) ^(2) = 49 completing the square
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4 votes
(2x-3)^2=49

(2x - 3 ) ^(2) = 49
completing the square

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User Bjakubski
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7.9k points

1 Answer

3 votes

(2x-3)^2=49\iff2x-3=\pm√(49)\\\\2x-3=-7\ \vee\ 2x-3=7\ \ \ |+3\\\\2x=-4\ \vee\ 2x=10\ \ \ \ |:2\\\\x=-2\ \vee\ x=5
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User Noririco
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8.4k points
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