-x2-3x-9=0

Simple and best practice solution for -x2-3x-9=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 -x2-3x-9=0 equation: 



-x2-3x-9=0

We add all the numbers together, and all the variables

-1x^2-3x-9=0

a = -1; b = -3; c = -9;
Δ = b2-4ac
Δ = -32-4·(-1)·(-9)
Δ = -27
Delta is less than zero, so there is no solution for the equation

See similar equations:

| −12=3(5−r) | | 8x-6x+4=32 | | 15=3x+3=30 | | −29+5c=7c−27 | | 9x+11=0 | | P-5=-4p | | 11x-3x-5x-3x=5(x-2)3x | | 10x+5=9x+14 | | x2-15=-19 | | -3k=7+4kk= | | -10–9k=-7k | | 12x+7=0 | | 36b=3 | | 2b-8=0 | | 4{g-1}=24 | | x-1/2=-1/4 | | B^2+b=22 | | h/4+8=24 | | 3+2n=-3n+3 | | 24/7=3x-3 | | 6w–6=5w | | 34x+10=24x+6 | | 5f=-8+4f | | -x-5=1+2x | | p-4/7=2 | | 9t+3=8t | | 6.8(x-10.4)=65.28 | | X-4=-10+2x | | 5w+1=10+8w | | 14+7v=7(6v–3) | | (2x+6)^2=49 | | 74x+x=376 |

Equations solver categories