2x=-x^2-15

Simple and best practice solution for 2x=-x^2-15 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 2x=-x^2-15 equation: 



2x=-x^2-15

We move all terms to the left:

2x-(-x^2-15)=0

We get rid of parentheses

x^2+2x+15=0

a = 1; b = 2; c = +15;
Δ = b2-4ac
Δ = 22-4·1·15
Δ = -56
Delta is less than zero, so there is no solution for the equation

See similar equations:

| 8x-15+90+33=180 | | b/6+11=10 | | 8=÷x-5/7 | | g+28.3=0.43 | | -2(y-3)=y+23 | | -5+2n=-19 | | 3(z+5-11)=7 | | 9x÷2=369x | | 8x-9+63+70=180 | | t-36.8=475.3 | | 2-5n=42 | | 3(z+5-11=7) | | 7x+14+75+49=180 | | (t+1)^+(t-8)^=65 | | B(x)=25.00-0.09x | | 4m^2+12m^2+9=0 | | 5d(3d+2)=0 | | -7(y-8)=3y-44 | | x=-2x-2 | | 4x-17+36+61=180 | | -16/19k=-20/38 | | s=-11.6-s= | | 18-x=3+2x | | 3(x-4)=4+7x | | 4x2-27x+9=0 | | (7x+2)=(4x+15) | | z=6.3z= | | 7+x=4(5x) | | -7u+5(u+7)=31 | | 4.3u/4= | | -7c+3=-2c+5 | | 2x21=-19 |

Equations solver categories