(-2a^2b)^3+8(a^2)^2*(-a)^2*(-b)^3=(-3a^3)^2*a^3+(-4a)^2*a^7-(5a^3)^3=

来源:学生作业帮助网 编辑:作业帮 时间:2024/05/08 18:43:11

(-2a^2b)^3+8(a^2)^2*(-a)^2*(-b)^3=(-3a^3)^2*a^3+(-4a)^2*a^7-(5a^3)^3=
(-2a^2b)^3+8(a^2)^2*(-a)^2*(-b)^3=
(-3a^3)^2*a^3+(-4a)^2*a^7-(5a^3)^3=

(-2a^2b)^3+8(a^2)^2*(-a)^2*(-b)^3=(-3a^3)^2*a^3+(-4a)^2*a^7-(5a^3)^3=
(-2a^2b)^3+8(a^2)^2*(-a)^2*(-b)^3
=-8a^6b^3+64a^4*a^2*(-b^3)
=-8a^6b^3-64a^6b^3
=-72b^6b^3
(-3a^3)^2*a^3+(-4a)^2*a^7-(5a^3)^3
=9a^6*a^3+16a^2*a^7-125a^9
=9a^9+16a^9-125a^9
=-100a^9