跪求各位帮我解决一道初一数学计算题,谢谢

5个回答

(3 x²) ³- 7 x³[ x ³ -x( 4x²+1）]
=27x^6-7x^3(x^3-4x^3-x)
=27x^6-7x^6+28x^6+7x^4
=48x^6+7x^4