5x(x+7)(x+4)=5x(x^2+11X)
3个回答
5x(x+7)(x+4)=5x(x^2+11X)
5x^3+55x^2+140x=5x^3+55x^2
140x=0
x=0
相关问题
解下列方程(有过程)x/7-2=x 7x-8=11x-4 2.5+7.5x=11x-4 3/4x-2=1.5x+2.5
5-7x=2x-13(3x+16)/2=4x-7(5y-11)/7=(11y+3)/2127%x-17%=20%x+1/
解方程(1)x2+5x+7=3x+11(2)x(2x-5)=4x-10.
7x-2x=4 10.2+2x=11.7 13除x-5=1.5 3(
1)7.6X-3.6X(6X-5)=4,求X 2)5X-2X(X-4)=11,求X
已知(7x-13)(5x-4)+(7x-13)(11x-5)
2x1/5+4x2/11+4x2/5+3x4/11
2-{3-[4-(5x-1)-8x]-20x}+7x=11
方程1/x-7-1/x-5-1/x-6-1/x-4的解是x=11/2,而7+5+6+4/4=11/2;方程1/x-7+1