Question

3(7+x-2x²+3x³)+2(-8-2x+3x²-5x³+x⁴)​

Answer 1

Explicação passo-a-passo:

3(7+x-2x²+3x²)+2(-8-2x+3x²-5x²+x⁴)

3(7+X+x²)+2(-8-2x-2x²+x⁴)

21+3x+3x²-16-4x-4x²+2x⁴

2x⁴+3x²-4x²+3x-4x+21-16

2x⁴-x²-x+5

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Espero ter ajudado