d^2-3d=-40

Simple and best practice solution for d^2-3d=-40 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 d^2-3d=-40 equation: 



d^2-3d=-40

We move all terms to the left:

d^2-3d-(-40)=0

We add all the numbers together, and all the variables

d^2-3d+40=0

a = 1; b = -3; c = +40;
Δ = b2-4ac
Δ = -32-4·1·40
Δ = -151
Delta is less than zero, so there is no solution for the equation

See similar equations:

| 2n+7=3n+27 | | a^2+9a=-22 | | 5y+35=3(y+5) | | x=0.003(1-x) | | x/(1-x)=0.003 | | {5x+7}={3x-2} | | X3+15x2-450=0 | | 4v+8=15v-3v | | z^2-3z=+2 | | -2y+2=-7y | | -7(2x+1)=5 | | y^2-12=+35 | | (17*2=6*2+b*2,b) | | 2x+33=3 | | 3/2x=300 | | 7x•15=1 | | 2x(1+2x^2)=18 | | -6x+-24=0 | | 4x-21=-3x | | 6d+7=0 | | 8y-2=10 | | 5x×6=56 | | 4-4×7+3=a | | (1+3y)^2=0 | | 12x+24=-18 | | −3y−1(−4y+8)=6+5(9−y) | | -4x(6x-1)+7(x-3)=68 | | x+x/4+x/3=285 | | |6n+8|=-5 | | |6n+8|=5 | | 2(x+2)-(7x-7)=41 | | x+5÷6=-3 |

Equations solver categories