7=-x2-4x

Simple and best practice solution for 7=-x2-4x 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 7=-x2-4x equation: 



7=-x2-4x

We move all terms to the left:

7-(-x2-4x)=0

We add all the numbers together, and all the variables

-(-1x^2-4x)+7=0

We get rid of parentheses

1x^2+4x+7=0

We add all the numbers together, and all the variables

x^2+4x+7=0

a = 1; b = 4; c = +7;
Δ = b2-4ac
Δ = 42-4·1·7
Δ = -12
Delta is less than zero, so there is no solution for the equation

See similar equations:

| z2−z+12)+(z3+z2−12z)= | | 7-3x=18x | | 7x-9x2=5x+-6 | | 3=3d-6 | | 3(-5)+4y=9 | | 2(3x+1)–3(x+2)=2 | | x(3-7)+5=32 | | -0.54=0.36n | | ((4z)/9)-7=-5 | | -5(2x-15)=2(x-19)-7 | | 4x+2x4=40 | | 3.4x=5.9 | | 19+3x=6(-x+5)-56 | | 36+4x=52 | | x^2+75=(2x)^2 | | 1p+12345678=2 | | 3.5d+7.5=5+4.25d | | 6(2x+9)=5(7x-5) | | 3a+-7a−-15a+-9a=-12 | | 4+9r=8r | | 4.3x-5.9=7.6 | | 4x+26=-30x+60 | | -1/2f+1=-13 | | 3(2-x)+11x=-3 | | 5(6x+7)=4x+8 | | (10*3)+5x=60 | | 5(x+12)=7+5x | | x9+2=6 | | 18x+11=-7 | | 5/3x+8=3 | | (3x-2)4/5=81 | | w/3− -36=45 |

Equations solver categories