4(7x-1)^2=36
3个回答
4﹙7x-1﹚²=36
﹙7x-1﹚²=9
7x-1=±3
x1=4/7
x2=﹣2/7.
相关问题
x-1/7x*4=36,
(2+4/7)÷x=36.
4x+1.3=36.5 0.3x+2×7=44
解方程 7x+2x=0.81 4(x-6)=36 2x+0.2X2=36
因式分解1)x^3-3x^2+(a+2)x-2a2)x^4+7x^3+14x^2+7x+13)6x^4+7x^3-36x
(1)-36 x(1/4-5/9+7/12)
4x+3*0.7=6.5 95%x-2/5x=55 4x-1.6=36
解方程.1/3x+4=7,2x+1/2=2 4/5x÷1/3=36 能简则简.(1)3/5x5
X+16/7=12/11 18/5-x=15/2 x-36/5=27/4 x-8/5=2-1.25 9/7=1+x-3/