Answer
-3$x^{2}$ + 4
Work Step by Step
( -5$x^{2}$ + 3 ) + ( 2$x^{2}$ + 1 )
( -5$x^{2}$ + 2$x^{2}$ )+( 3 + 1) combine like terms
-3$x^{2}$ + 4 simplify
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