3x(M-5x)=6x²y³+N,求M与N分别等于几kkkkkk!
问题描述:
3x(M-5x)=6x²y³+N,求M与N分别等于几
kkkkkk!
答
3x(M-5x)=6 * x^2 * y^3 + N
3 * x * M - 15 * x^2 = 6 * x^2 * y^3 + N
对比左右两边
M = 2 * x * y^3
N = -15 * x^2