Answer
10 - 3$x^{2}$
Work Step by Step
(-7x + 5 ) + ( -3$x^{2}$ + 7x + 5 ) =
( -7x + 7x ) + ( 5 + 5 ) - 3$x^{2}$ = combine like terms
10 - 3$x^{2}$ simplify
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