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12. Expand the square using identities

Expand the square \((2x + 5)^2\) using suitable identities.

\(4x^2 + 20x - 25\)
\(4x^2 + 20x + 25\)
\(4x^2 - 20x + 25\)
\(4x^2 + 25x - 20\)

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