5x2+-28x+-12=0

Simple and best practice solution for 5x2+-28x+-12=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 5x2+-28x+-12=0 equation:



5x^2+-28x+-12=0
We add all the numbers together, and all the variables
5x^2-28x=0
a = 5; b = -28; c = 0;
Δ = b2-4ac
Δ = -282-4·5·0
Δ = 784
The delta value is higher than zero, so the equation has two solutions
We use following formulas to calculate our solutions:
$x_{1}=\frac{-b-\sqrt{\Delta}}{2a}$
$x_{2}=\frac{-b+\sqrt{\Delta}}{2a}$

$\sqrt{\Delta}=\sqrt{784}=28$
$x_{1}=\frac{-b-\sqrt{\Delta}}{2a}=\frac{-(-28)-28}{2*5}=\frac{0}{10} =0 $
$x_{2}=\frac{-b+\sqrt{\Delta}}{2a}=\frac{-(-28)+28}{2*5}=\frac{56}{10} =5+3/5 $

See similar equations:

| 35-5n=7(6n+5) | | 3(x+1)-7=4 | | 9c–4c+24=-6 | | 40+x=3x-10 | | 2(14+4x)=-44 | | 8x+14=5x-13 | | 5x²+14x-24=0 | | -11x-17=39 | | f-31/6=8 | | 3(j-68)=24 | | (x−18,2)+0,33=4,4 | | (x−18,2)+0,33=4,4. | | C(50)=0.65x+6 | | h+26/6=9 | | 2^3x-7=6^x+2 | | h-6=27 | | 16=10/3x | | h-6=17 | | 6x^2=378 | | 3(-5.2+0.8y)+2y=2 | | -3x+0.5=1 | | 10x²-5x+11=9x²+x+83 | | x+3=7x−9 | | 4k+3=9-7k | | (X+1)+(x+1)+x=180 | | 2n2-3n-4=6 | | 30+2x=70 | | 11x-12=5x+6 | | |7x|+5=19 | | m^2=68-5m | | 5x^2+12x^2=52^2 | | 5a+a-3a=13 |

Equations solver categories