3x2+21=0

Simple and best practice solution for 3x2+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 3x2+21=0 equation: 



3x^2+21=0

a = 3; b = 0; c = +21;
Δ = b2-4ac
Δ = 02-4·3·21
Δ = -252
Delta is less than zero, so there is no solution for the equation

See similar equations:

| (x+1)2(5x/4-8/9)=0 | | 1/5x+1/2=2/5-4/5x+2/5 | | 9x2+11x-114=0 | | 2x^2+40X+104=0 | | 6y−18=3y | | S=120+96t-16t^2 | | (x+5)÷2+x÷3=20 | | y2+7y-60=0 | | 4x2+6x-28=0 | | x^+x^2-9x-9=0 | | y^2-3y-6y+8=0 | | y^2-3y-6y+8=8 | | 10x-(2x-10)=7+7x | | 3(-5x+8)=54 | | 3(-5x+8)=52 | | 2a-6=4(3a+1)-2 | | 13/4a=21 | | -6(4x-3)+5(5x-2)-2=6-7 | | 8x-39=-3(x-9) | | -2(5s-4)-8=-2(8s+9)-2 | | 5(j-6)+6(j-22)=3 | | 8x-39=-3(x=-9) | | 180/x^2=5 | | -8u+6(u-3)=-30 | | 41x^2=1239 | | 6=0.2x-0.3x-3 | | 4x^2=1239 | | x^2=1239 | | |6y|+10=52 | | 16t^2+72t=0 | | -1/6(x-12)+1/2(x+2)=x-12 | | -2.4-5x-5.9-3x=-7x+4.7 |

Equations solver categories