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