x²+2x+m=[x+n][x+10],则m=____,n=____ x²+mx+14=[x+2][
已知M和N表示单项式,且3x(M-5x)=6x^2y^2+N,则M=____,N=____.
已知(x+3)(x-10)=x²+mx+n,求m,n的值
(x+3)(x-4)=X^2-mx+n,则m^3n=
(1-x)(x+0.6)=-x^2+mx+n,则m n分别为
(X+1)(X+n)=X²+mX-2,求m的值
x³-6x²+11x-6=(x-1)(x²+mx+n)求 1、m,n的值; 2、m+n的平
若mx²+2x-3=2x²+2x+n,则m-n=_____
若x^2+9x+m=(x+3)(x+6),则m= x^2+mx+n=(x-1)(x+2),则m=,n= x^2-mx-n
已知单项式M、N满足3x(M-5)=6x^2y^3+N,则M=____,N=____.
已知{x|x²+mx+n=0,(m,n∈R)}={-1,-2},求m.n的值
若x^m=6,x^n=9,则(2x^3m*x^2n) / (x^m*x^n)^2*x^n
X的m次方=3·X的n次方=2,则X的m+n次方=____,x的2m-n次方=____.