(9x³-6x²+3x)÷(-3x)
1个回答
-3x^2+2x-1
^2表示x的平方
相关问题
若x=3/x,则[(x^2-6x+9)/(x+3)]÷[﹙x-3﹚/﹙x^2+6x+9﹚]=?
求回答,初二数学[(x²+6x+9)÷(x+3)](x²-3x+9)
﹙1- 3/x﹚÷﹙x - 6x-9/x﹚,其中x=√2014+3,
(x^2-6x+9)÷x^2-9x+18/x+3
(2x-6)/(x²-4x+4)÷(3-x)/(x²+6x+9)×(2-x)/(x+3)
(9x³-6x²-5x+2﹚÷﹙3x-1﹚=?
9 ÷ 3(2+1) 9 ÷ 3(2+1) = 9 ÷(3x2+3x1)= 9 ÷ (6+3) = 9÷9 = 1
解方程36÷3x+(36-36÷3x)÷9=6
2x÷(x^2-9) + 1÷(3-x) + (x+2)÷(x+3)=?