Answer
-7$x^{2}$ + 12x + 5
Work Step by Step
(- 7$x^{2}$ + 4x + 7 ) - ( -8x + 2 )
-7$x^{2}$ + 4x + 7 + 8x -2
-7$x^{2}$ + ( 4x + 8x ) + ( 7 - 2) combine like terms
-7$x^{2}$ + 12x + 5 simplify
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