x+x^2=102

Simple and best practice solution for x+x^2=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 x+x^2=102 equation:



x+x^2=102
We move all terms to the left:
x+x^2-(102)=0
a = 1; b = 1; c = -102;
Δ = b2-4ac
Δ = 12-4·1·(-102)
Δ = 409
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{-(1)-\sqrt{409}}{2*1}=\frac{-1-\sqrt{409}}{2} $
$x_{2}=\frac{-b+\sqrt{\Delta}}{2a}=\frac{-(1)+\sqrt{409}}{2*1}=\frac{-1+\sqrt{409}}{2} $

See similar equations:

| 2(p+2)=6 | | y=-4(12)+24 | | (4y)/(7)-(7)/(8)=(3)/(56) | | 3p^+p=4 | | 10-2p=-(p-8) | | 5/3y-(5/6+2/3y)=0 | | -14.4y=-11.55−15.1y | | 18+19c=18c+6 | | -2x+12=-4x+24 | | 17-6k=-19-3k-18 | | 2(x+6)=2(6+1/3) | | 17-6k=-19-3k- | | 5x-9=-6x+13 | | -10-8n=8n-2(6n-7) | | 8t-18+2=-4-20t | | 5x-9=-6x+1 | | -8t−18+2=-4−20t | | 14m-9=13m | | 14m−9=13m | | -18w+12=-19w-2 | | -18w+12=-19w−2 | | -26-4b=-7b-8(-4b-4) | | 9/2(-12/7b-2)=17/6b-47/28 | | 9-10k=-10-6-5k | | -68=(5x-4)-2 | | -6q=5q-8 | | 7-8d=-9-6d-4 | | 5y+4-y=9y-2(y-2) | | 7-8d=-9-6d−4 | | 17x+2+16x+6=180 | | 9(x+3)=4x-3. | | x2+6=99 |

Equations solver categories