Answer: 2x ^4 +7x−4x ^2 −4
Explanation:
2x ^4 −x*3−4x ^2 +10x−4
2x ^4 −3x−4x ^2 +10x−4
2x ^4 +(−3x+10x)−4x ^2 −4
2x ^4 +7x−4x ^2 −4
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