4x^2-9x+21=0

Simple and best practice solution for 4x^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 4x^2-9x+21=0 equation:



4x^2-9x+21=0
a = 4; b = -9; c = +21;
Δ = b2-4ac
Δ = -92-4·4·21
Δ = -255
Delta is less than zero, so there is no solution for the equation

See similar equations:

| y-36=-17 | | 50=20+15x | | -1(2n+4)=-14 | | 40+7x=4(1+4x) | | 6.3a+12=68.7 | | -13x-134=-7x-80 | | 5y/2-4/3=7/6 | | 7(5+3n)=77 | | 4×-3y=-6 | | -14x+111=-9x+71 | | 9(2m+4)=-3m+2 | | x+(3x+14)+(x-9)=180 | | 3x^2=-1/3 | | 12+6=3x | | 3(4+2n)=-6 | | 4(4-4K)=40-16k | | 2x-67+5x=15x-79 | | 2a+3+2a=15 | | h+20=36=4h | | 18x-51=11x-30 | | -8=-20-x | | x2-24x+129=0 | | 6(3n-2)=6 | | 15-8x-2=x | | k2-16k=17 | | -3x+9-2=-12-5x | | 90=-15x | | 3m+15=39 | | 4(5n-1)=36 | | F(n)=45•(4/5)^n-1 | | w2+28w+52=0 | | -2(s-6)=2 |

Equations solver categories