-x^2+3x+5=1

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



-x^2+3x+5=1
We move all terms to the left:
-x^2+3x+5-(1)=0
We add all the numbers together, and all the variables
-1x^2+3x+4=0
a = -1; b = 3; c = +4;
Δ = b2-4ac
Δ = 32-4·(-1)·4
Δ = 25
The delta value is higher than zero, so the equation has two solutions
We use following formulas to calculate our solutions:
$x_{1}=\frac{-b-\sqrt{\Delta}}{2a}$
$x_{2}=\frac{-b+\sqrt{\Delta}}{2a}$

$\sqrt{\Delta}=\sqrt{25}=5$
$x_{1}=\frac{-b-\sqrt{\Delta}}{2a}=\frac{-(3)-5}{2*-1}=\frac{-8}{-2} =+4 $
$x_{2}=\frac{-b+\sqrt{\Delta}}{2a}=\frac{-(3)+5}{2*-1}=\frac{2}{-2} =-1 $

See similar equations:

| 9x^2-34x-229=0 | | 9.1=a4 | | 4.17=3.14*2(2)*2b | | 3x+81−9=−3x | | -16t+16=-8 | | 2(x-40)=8(1-x) | | 2(x-4)=8(1-x) | | 9x-3=-2 | | 2x+8=-32+6x | | 7x=119−10x | | 2(-5)=3-(4+t) | | 3a-7a=-12 | | .16–5s=–19 | | 4/60=15/x | | 5*1,2^x=0.6*x+6 | | 7x19=26 | | 34x+95=3(14x+9)  | | 4x-1+2x=180 | | 5y2-180=0 | | 0.03x=1.03^60-1 | | 2(3x+1)^(-2)+7=25 | | 296x+23=1235 | | 3+5x=6+8x | | 15-n=2n+6 | | 5x=6+8x | | 2x-3=5x+x | | 20*p=160 | | 13-p=4 | | x+2/3=21/3 | | 2+6v=1-v | | 2x(x+8)=30 | | 9-3r=5-4r |

Equations solver categories