4x^2-3x-27=102

Simple and best practice solution for 4x^2-3x-27=102 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^2-3x-27=102 equation:



4x^2-3x-27=102
We move all terms to the left:
4x^2-3x-27-(102)=0
We add all the numbers together, and all the variables
4x^2-3x-129=0
a = 4; b = -3; c = -129;
Δ = b2-4ac
Δ = -32-4·4·(-129)
Δ = 2073
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{-(-3)-\sqrt{2073}}{2*4}=\frac{3-\sqrt{2073}}{8} $
$x_{2}=\frac{-b+\sqrt{\Delta}}{2a}=\frac{-(-3)+\sqrt{2073}}{2*4}=\frac{3+\sqrt{2073}}{8} $

See similar equations:

| 3f=2f-8 | | 2*x=7=24 | | 18+14k=16k-20 | | 17+4h+2=1-1h | | 10m−13=11m+16 | | X(9x-6)+1=0 | | -5(2x-9)=2(x-12)-3 | | 3.2x-1.8=-3.4+6(0.6x-0.2) | | 2-9j=-10j+10 | | 0.24z=1.44 | | 2(12+x)=2x+24x | | 12.5m=1.25 | | 1/14(x-88)=3+x | | v/4.9=4.3 | | 12+3x=2(-x+3)-14 | | x-7.32=-5.21 | | -16x+17=6-2(13x-5) | | (3g-4)=2 | | 9.7=5.54-x | | {8+h}{10}=1 | | 2y/8-6=14 | | 25-6x=13-2x | | 5x+3=5+2(x+5) | | y/8+9=12 | | 4.7+m=2.5 | | 3(2n−14)=7/12 | | 23*a=375 | | 3/5=m-4/3 | | 33k=27 | | X+(2x-10)+(x+30)=180 | | (4+2d)/4(d-8)(d-8)=7/16 | | 6x+15=15+6x |

Equations solver categories