(6x^2y-24x^3y^3)/(-3x^2)+(2y)^2*(-2xy) 请问你可以帮我计算吗?

来源：学生作业帮编辑：作业帮分类：数学作业时间：2024/05/25 01:32:45

(6x²y-24x³y³)/(-3x²)+(2y)²*(-2xy)
=6x²(y-4xy³)/(-3x²)-8xy³
=-2(y-4xy³)-8xy³
=-2y+8xy³-8xy³
= -2y
再问： �һ��2��⣬ 1.��㷽�̣�x+4)^2-(x+4)(x-4)=4�Ľ��ǣ� 2.-6a^2b^3c/2ab^3 ��ش��Ҿ͸��ˣ�лл��
再答： (1)（x+4)²-(x+4)(x-4)=4 x²+8x+16-(x²-16)=4 8x+32=4 8x=-28 x= -7/2 (2) -6a²b³c/2ab³ = -3ac

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