Sumas al cuadrado

Expand the following binomial squares

( 2x + 2 )2 = x2 + + x
( 4x - 6 )2 = x2 + + x
( 4x + 3 )2 = x2 + + x
( 2x - 6 )2 = x2 + + x
( x + 4 )2 = x2 + + x
( 5x - 5 )2 = x2 + + x
( 4x + 9 )2 = x2 + + x
( 2x - 2 )2 = x2 + + x

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