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How do you simplify $(7 x^{2} + 5 x - 7) + (x^{2} - 3 x + 5)$ $( 7x^2 + 5x -7 ) + ( x^2 -3x + 5 )$ ?

1 Answer

Jan 8, 2016

Add/subtract like terms.

Explanation:

( $7 x^{2}$ $7x^2$ + 5x - 7) + ( $x^{2}$ $x^2$ - 3x + 5)
= $8 x^{2}$ $8x^2$ + 2x - 2

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