8x^2+11x-51=0

Simple and best practice solution for 8x^2+11x-51=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 8x^2+11x-51=0 equation:



8x^2+11x-51=0
a = 8; b = 11; c = -51;
Δ = b2-4ac
Δ = 112-4·8·(-51)
Δ = 1753
The delta value is higher than zero, so the equation has two solutions
We use following formulas to calculate our solutions:
$x_{1}=\frac{-b-\sqrt{\Delta}}{2a}$
$x_{2}=\frac{-b+\sqrt{\Delta}}{2a}$

$x_{1}=\frac{-b-\sqrt{\Delta}}{2a}=\frac{-(11)-\sqrt{1753}}{2*8}=\frac{-11-\sqrt{1753}}{16} $
$x_{2}=\frac{-b+\sqrt{\Delta}}{2a}=\frac{-(11)+\sqrt{1753}}{2*8}=\frac{-11+\sqrt{1753}}{16} $

See similar equations:

| 2^x=17/4 | | X+3=(2-x)^2 | | m²-5=20 | | 2x-35/4=1/4 | | 5x^2+4x-135=0 | | -5x-2=4x | | 4/9y=1/18-7/18 | | 6(2x+3)=4(2x+1)+15 | | 2x-7=-13-3x | | 2/3x=1/2x+1 | | (3x/5)+(x/4)+6=x | | 3/2x=1/2x+1 | | (3x/5)+x/4+6=x | | 0,5x(3x-4)+1,5x(0,8-x)=0,32 | | 60/(3x+2)=12 | | 10-2(x+3)=x+19 | | 12=(3.14)r | | 6x^2-8x+2x(2-3x)=-4 | | 6x+18=2x-4 | | 5x+4=4x+2x | | 4y÷9-3=6 | | 60/3(3x+2)=12 | | 57-(25+2x)=16 | | 67x-8=6763x-432 | | 67x-8=6763x432 | | 3x+2(5-x)=-11 | | 5x={1}{2}x | | x*(x+8)=148 | | y/4=3.5 | | C(×)=200x+30 | | C(×)=30x+200 | | 528/(x-8)+0.5x-528/x=0 |

Equations solver categories