2x^2+27x-99=0

Simple and best practice solution for 2x^2+27x-99=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 2x^2+27x-99=0 equation:



2x^2+27x-99=0
a = 2; b = 27; c = -99;
Δ = b2-4ac
Δ = 272-4·2·(-99)
Δ = 1521
The delta value is higher than zero, so the equation has two solutions
We use following formulas to calculate our solutions:
$x_{1}=\frac{-b-\sqrt{\Delta}}{2a}$
$x_{2}=\frac{-b+\sqrt{\Delta}}{2a}$

$\sqrt{\Delta}=\sqrt{1521}=39$
$x_{1}=\frac{-b-\sqrt{\Delta}}{2a}=\frac{-(27)-39}{2*2}=\frac{-66}{4} =-16+1/2 $
$x_{2}=\frac{-b+\sqrt{\Delta}}{2a}=\frac{-(27)+39}{2*2}=\frac{12}{4} =3 $

See similar equations:

| -7x+14=-10-2x | | (x+20=180 | | 3x-10=-2x+15 | | 1/3x+4x/6=1 | | -8+4x=-32=25x | | x+2/x+3=x-6/x-9 | | 2x-5=12x+35 | | 2x-5=12x+x | | 0=1x+10x^2-21 | | h^2-2h-54=0 | | -3(2x+1)=-2x-7 | | 7x-14=8x+9 | | 4z/10+5=0 | | 4x-4+4(2-3x)=0 | | 3m+5/2=8 | | 9-4(2-3x)=5x+8 | | F(x)=10x^2-8x-2 | | 2z/7+4=-5 | | 5x-3x=-5+25 | | z/9+6=7 | | z/7=7=5 | | 63=p+19 | | 9x-15=5x-7 | | 4x(26+29)=4x+4x | | r^2+4r=-@ | | 9y^2+168y+784=0 | | -3=16-x= | | 18x-x+5=10x+2–10 | | 9x+14=-14 | | 10=7-x= | | 2x^2+54x-99=0 | | 6x=6(2-3x) |

Equations solver categories