3x+30+x=10+2x+5x2

Simple and best practice solution for 3x+30+x=10+2x+5x2 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+30+x=10+2x+5x2 equation:



3x+30+x=10+2x+5x^2
We move all terms to the left:
3x+30+x-(10+2x+5x^2)=0
We add all the numbers together, and all the variables
-(10+2x+5x^2)+4x+30=0
We get rid of parentheses
-5x^2-2x+4x-10+30=0
We add all the numbers together, and all the variables
-5x^2+2x+20=0
a = -5; b = 2; c = +20;
Δ = b2-4ac
Δ = 22-4·(-5)·20
Δ = 404
The delta value is higher than zero, so the equation has two solutions
We use following formulas to calculate our solutions:
$x_{1}=\frac{-b-\sqrt{\Delta}}{2a}$
$x_{2}=\frac{-b+\sqrt{\Delta}}{2a}$

The end solution:
$\sqrt{\Delta}=\sqrt{404}=\sqrt{4*101}=\sqrt{4}*\sqrt{101}=2\sqrt{101}$
$x_{1}=\frac{-b-\sqrt{\Delta}}{2a}=\frac{-(2)-2\sqrt{101}}{2*-5}=\frac{-2-2\sqrt{101}}{-10} $
$x_{2}=\frac{-b+\sqrt{\Delta}}{2a}=\frac{-(2)+2\sqrt{101}}{2*-5}=\frac{-2+2\sqrt{101}}{-10} $

See similar equations:

| 11+3x=-4-2x=x= | | 38.95=22.50+s | | 2-x/0.3=14 | | 22+5x=-8-x=x= | | 13=u-22 | | 18-4x=-9-x=x= | | 128+x=350 | | 8-2x=11+x=x= | | Y=1/4x+10 | | 0.1x=+14 | | (h-8^2=0 | | 25+20x=-5+5x=x= | | 2x+4x+3=9x–18 | | 2q^+8q=3 | | (2x-3)^2-(5x+1)^2=0 | | x2–8x+16=4 | | x-10/20+x/20=1 | | 1x(20)+10(319-1x)=5860 | | -b^2+6b-8=0 | | -3(x+8)+33=14-4x | | 4x+8=9-x | | 10+12x=-8+6x=x= | | 12-y=48 | | x2−6x+9=16 | | x^2−6x+9=16 | | │x–9│–5=12 | | 6c–24=12 | | 16-2x=-4-7x=x= | | 5(2x−8)=30 | | Y=(1)x | | 3x-4=4-(8x3x) | | 21-3x=-7-10x=x= |

Equations solver categories