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( 7 x 2 + 14 + 2 x ) + ( 10 x + 7 5 x 2 ) (-7x^(2)+14+2x)+(10 x+7-5x^(2))
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We can simplify the expression by combining like terms:
( 7 x 2 + 14 + 2 x ) + ( 10 x + 7 5 x 2 ) (-7x^(2)+14+2x)+(10 x+7-5x^(2))
= 7 x 2 5 x 2 + 2 x + 10 x + 14 + 7 =-7x^(2)-5x^(2)+2x+10 x+14+7
= ( 7 5 ) x 2 + ( 2 + 10 ) x + 14 + 7 =(-7-5)x^(2)+(2+10)x+14+7
= 12 x 2 + 12 x + 21 =-12x^(2)+12 x+21
Therefore, the simplified expression is 12 x 2 + 12 x + 21 -12x^(2)+12 x+21.
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