3x^2-9x+21=0

Simple and best practice solution for 3x^2-9x+21=0 equation. Check how easy it is, and learn it for the future. Our solution is simple, and easy to understand, so don`t hesitate to use it as a solution of your homework.

If it's not what You are looking for type in the equation solver your own equation and let us solve it.

Solution for 3x^2-9x+21=0 equation: 



3x^2-9x+21=0

a = 3; b = -9; c = +21;
Δ = b2-4ac
Δ = -92-4·3·21
Δ = -171
Delta is less than zero, so there is no solution for the equation

See similar equations:

| |3y-2|-7=4 | | |4x+1|=|6x+3| | | 3t+7t=-2 | | 2(x+8)-9=26-4(x-6) | | 4.9t^2+3t-850=0 | | 4(9.7-8.i)= | | 42x-22-18x=28 | | 15-4xx=-1 | | 5/3x+1/3x=34/3+8/3x | | -9(14-7x=1071 | | 4^x=78 | | 3z+20z=8 | | 18/5=x/4 | | -12=-2x-2x+4 | | 675/9=x/13 | | 2(x+1)=2/3x=9 | | 35=2x+x+2 | | 8/4=9/x | | -6(18x-9)+13x=63 | | s-8/8=s-7/6 | | 95/5=x/11 | | 105=-4x-5x+6 | | x^2-5x+18.75=0 | | 5+6qq=9 | | -12x^2-3x=-8x^2-22 | | -14b^2-2=-3b | | 4/j=-4/j-2 | | -6+4x+4x=58 | | 4r^2+3r-20=-4r-9 | | 1/3y+8=12 | | 14x+7=11x-5 | | -x+8+5x=44 |

Equations solver categories