4x-1=3x^2-7x-5

Simple and best practice solution for 4x-1=3x^2-7x-5 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-1=3x^2-7x-5 equation:



4x-1=3x^2-7x-5
We move all terms to the left:
4x-1-(3x^2-7x-5)=0
We get rid of parentheses
-3x^2+4x+7x+5-1=0
We add all the numbers together, and all the variables
-3x^2+11x+4=0
a = -3; b = 11; c = +4;
Δ = b2-4ac
Δ = 112-4·(-3)·4
Δ = 169
The delta value is higher than zero, so the equation has two solutions
We use following formulas to calculate our solutions:
$x_{1}=\frac{-b-\sqrt{\Delta}}{2a}$
$x_{2}=\frac{-b+\sqrt{\Delta}}{2a}$

$\sqrt{\Delta}=\sqrt{169}=13$
$x_{1}=\frac{-b-\sqrt{\Delta}}{2a}=\frac{-(11)-13}{2*-3}=\frac{-24}{-6} =+4 $
$x_{2}=\frac{-b+\sqrt{\Delta}}{2a}=\frac{-(11)+13}{2*-3}=\frac{2}{-6} =-1/3 $

See similar equations:

| 8z-8=-8+8z | | 3(x+7)=7x+33 | | 200+25.00w=300.00 | | 200+25.00w=425.22 | | 7x+43=-8(x+4) | | 10x+12=15x+7 | | 200+34.20w=425.22 | | 3x-3=99 | | x+7=3+7 | | 3v-12=32 | | 4w2-534=1582 | | x^2+11+8=0 | | 600+34.22w=752.87 | | 26=y/5+16 | | 1/3x-1/2+5/6=6 | | x+2x+1/2(2x+x)=180 | | 14x+13=5x-5 | | 3(x-1)-8=4(1-x)+5 | | 37=3x-17 | | 3x+17=2x | | 20x2+18x=18 | | X+.2x=42 | | 2x×x=242 | | 15x=-105 | | 4(y-1)=-2(3=y) | | 4b+2.88=66.88 | | 5x+35=250 | | 15x-5x=47 | | v/5+15=38 | | 11x=7x=12 | | 2x-6=5+2x-2 | | x+9=15+3 |

Equations solver categories