Summer Clouds moderators
08/08/2017 at 08:52-
(2x - 5)(2x + 5) = 5
\(\Leftrightarrow\left(2x\right)^2-5^2=5\)
\(\Leftrightarrow4x^2=5+25=30\)
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(2x - 5)(2x + 5) = 5
\(\Leftrightarrow\left(2x\right)^2-5^2=5\)
\(\Leftrightarrow4x^2=5+25=30\)
Selected by MathYouLike