Question

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Answer 1

Resposta:

Explicação passo-a-passo:

2)a)5x²•(2x³)=5x²•2x³=10x⁵

b)7x³•(-2x⁵)= -7x³•2x⁵= -14x⁸

c)x²•(-5x³)= -x²•5x³= -5x⁵

d)3x³•(-2x)•(4x³)= -3x³•2x•4x³= -24x⁷

3)5x²•(10x³+2x²-3)=

5x²•10x³+5x²•2x²-5x²•3=

50x⁵+10x⁴-5x²•3=

50x⁵+10x⁴-15x²