Người ta hỏi j vậy...????
Người ta hỏi j vậy...????
6x (3x+5) - 2x (3x-2) + (17-x) (x-1) + x (x-18) =0
2x.(3x-1)-6x.(x+1)-(3-8x)
2x(12x-5)-8x(3x-1)=30
3x(3-2x)+6x(x-1)=15
a, 2x(12x-5)-8x(3x-1)=30
b,3x(3-2x)=6x(x-1)=15
6x^n(x^2-1)+2x(3x^n-1+1)
tìm x, biết:
a, 2x(12x-5)-8x(3x-1)=30
b, 3x(3-2x)+6x(x-1)=15.
Tìm x
a) x (3x - 2) - 3x (x + 5) = - 34
b) (2x + 3) . (3x - 2) - 6x . (x - \(\dfrac{1}{2}\)) = 26
BT3/6. Tìm x, biết
a/ 2x(12x-5)-8x(3x-1)=30
b/3x(3-2x)+6x(x-1)=15
a, 5*(4x-1)+2*(1-3x)-6*(x+5)=10
b, 2x*(x+1)+3*(x-1)*(x+1)-5x*(x+1)+6x mũ 2 = 0
c, 4*(x-1)*(x+5)-(x+2)*(x+5)-3(x-1)*(x+2)=0
d,2*(5x-8)-3*(4x-5)=4*(3x-4)+11