(x-3)(x-2)+18=(x+9)(x+1)
1个回答
(x-3)(x-2)+18=(x+9)(x+1)
x^2-5x+6+18=x^2+10x+9
24-5x=10x+9
5x+10x=24-9
15x=15
x=1
相关问题
x/(x+3)-18/(x^2)-9=1
(x-3)(x-2)+18=(x+9)(x+1) 解:x²-5x+6+18=x²+10x+9 15x
1/x(x+3)+1/(x+3)(x+6)+1/(x+6)(x+9)=3/2x+18
(x+9)(x+1)-(x-3)(x+2)=18的解法
1.m^3+2m^2-9m-18 2.(x+1)(x+3)(x+5)(x+7)-9
(x-3)(x-2)+18=(x+9)(x+1),X是多少啊?
1.(2/18-3/18-1/18)X36 2.(1/4-1/2-1/8)X128 3.[9X(-4)]X(-1/4)
(x^2-6x+9)÷x^2-9x+18/x+3
解不等式 (x-3)(x-2)+18≤(x+9)(x+1)