3x^2-2x+3=8

Simple and best practice solution for 3x^2-2x+3=8 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 3x^2-2x+3=8 equation:



3x^2-2x+3=8
We move all terms to the left:
3x^2-2x+3-(8)=0
We add all the numbers together, and all the variables
3x^2-2x-5=0
a = 3; b = -2; c = -5;
Δ = b2-4ac
Δ = -22-4·3·(-5)
Δ = 64
The delta value is higher than zero, so the equation has two solutions
We use following formulas to calculate our solutions:
$x_{1}=\frac{-b-\sqrt{\Delta}}{2a}$
$x_{2}=\frac{-b+\sqrt{\Delta}}{2a}$

$\sqrt{\Delta}=\sqrt{64}=8$
$x_{1}=\frac{-b-\sqrt{\Delta}}{2a}=\frac{-(-2)-8}{2*3}=\frac{-6}{6} =-1 $
$x_{2}=\frac{-b+\sqrt{\Delta}}{2a}=\frac{-(-2)+8}{2*3}=\frac{10}{6} =1+2/3 $

See similar equations:

| 28/25/x=x/7/4 | | 47/9+3/2x=5/3(5/2x+1 | | 2828/25/x=x/7/4 | | t−(−5)=9. | | -4(k-3)=8-6k | | 5(x+16)=x+20 | | 5x+36=x-8 | | -10+7v=8+10-7v | | -11+3b=5/2(b-5/3) | | 6x-5+11x=14 | | 5b^2+6=26 | | -6n+6=162 | | 55/6=5/2(3/12p-5/3) | | 27m=756 | | 3x+3(4x+4)=12 | | 17*29+46-z=404 | | -33=-17+p | | -33=17+p | | 4x–5=12 | | 11x2-62x-105=0 | | 4x+-72=180 | | 6x-2=4+48 | | 3(-5x+4)-4x+1=89 | | 5y+8y-100=2y+4y-37 | | 5/6x-2/3x=1/6 | | Y2+9y+2=8y+58 | | X^2+15y=27 | | 1,33x=1 | | (1/2)x-3=x+1/4 | | (10x+24)-6(6x+72)-6=180 | | 2x+5=41−4x | | 8(w+9)=80 |

Equations solver categories