5x2+40x+90=10

Simple and best practice solution for 5x2+40x+90=10 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 5x2+40x+90=10 equation: 



5x^2+40x+90=10

We move all terms to the left:

5x^2+40x+90-(10)=0

We add all the numbers together, and all the variables

5x^2+40x+80=0

a = 5; b = 40; c = +80;
Δ = b2-4ac
Δ = 402-4·5·80
Δ = 0
Delta is equal to zero, so there is only one solution to the equation

                              Stosujemy wzór:
$x=\frac{-b}{2a}=\frac{-40}{10}=-4$

See similar equations:

| 1=3y=4 | | -8(8x+6)=-432 | | 88-18x=16 | | 7y-6-4y=4y-1 | | 6(4x-5)=-198 | | 5/6+6x=1/2-7x | | x+5+11x=12x+5 | | 4x+18=9x+11 | | 46-2x=9x-9 | | 3+5(2+3x)=133 | | 5x-2+3x-11=5 | | w-9.25=5.45 | | (3x+3)=(2x+10) | | 4-2x+3x=14 | | (3x/4)+(3x/2)=9 | | 2x–26=10 | | .2x–26=10 | | 1+3y=18 | | X+5×(x+2)=47 | | b-–8=48 | | 4m=1-6m=2(m+3)-4m | | 5/(3x)-2/x^2+3/(2x)=(19x^2-12)/6x^2 | | -8x-6=8x-12 | | 4h-1=-12 | | 21=3x+2 | | −4k+2(5k−6)=−3k−39 | | 8t+1+-4t+-6=0 | | (m/3)+(m/5)=16 | | 3x+20+50=180 | | 6x-12=6x+30 | | 3c=6c-72 | | 6x=16x-12 |

Equations solver categories