.5x2-18=0

Simple and best practice solution for .5x2-18=0 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 .5x2-18=0 equation: 



.5x^2-18=0

a = .5; b = 0; c = -18;
Δ = b2-4ac
Δ = 02-4·.5·(-18)
Δ = 36
The delta value is higher than zero, so the equation has two solutions
We use following formulas to calculate our solutions:
$x_{1}=\frac{-b-\sqrt{\Delta}}{2a}$
$x_{2}=\frac{-b+\sqrt{\Delta}}{2a}$

$\sqrt{\Delta}=\sqrt{36}=6$


$x_{1}=\frac{-b-\sqrt{\Delta}}{2a}=\frac{-(0)-6}{2*.5}=\frac{-6}{1}
=-6
$


$x_{2}=\frac{-b+\sqrt{\Delta}}{2a}=\frac{-(0)+6}{2*.5}=\frac{6}{1}
=6
$

See similar equations:

| 5y+2y-8+2y=8y+4-7 | | 241=-v+117 | | 3(x+12)—2=-(x4)+30 | | -7x-6(-2x+12)=-97 | | 10n-4=-2n-7+12n | | 7+2c+-4×-4=-9 | | x+2÷3=5 | | 3(x+5)-9=2(x+4)-2+x | | f-31=47 | | 5-2f=-7f-5 | | |x+2|=3x | | 8x+7=51 | | 11/6y=-18/22 | | 2(1+6p)-2=-72 | | -5x+5=71+6x | | 5x-2(3x-4)=14 | | 40-4r=8r | | -12-2x=(8x+7)-2 | | 9-2g=1 | | −3(−2x+1)+2x−5=-64 | | 3x+6(x-6)=-72 | | 5/x=25/6 | | 5p+7=3p+29 | | 12.5x+30=15x | | 2(x+3)=x-11 | | 1.4p=-14 | | 4(2z+3)=-28 | | -31=-7x | | 10^-x=8^6x | | 7x-4(6x-12)=-88 | | -5b+15=2b+1 | | -8+5x=-7x+4 |

Equations solver categories