5x^2+1=18

Simple and best practice solution for 5x^2+1=18 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 5x^2+1=18 equation:


Simplifying
5x2 + 1 = 18

Reorder the terms:
1 + 5x2 = 18

Solving
1 + 5x2 = 18

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '-1' to each side of the equation.
1 + -1 + 5x2 = 18 + -1

Combine like terms: 1 + -1 = 0
0 + 5x2 = 18 + -1
5x2 = 18 + -1

Combine like terms: 18 + -1 = 17
5x2 = 17

Divide each side by '5'.
x2 = 3.4

Simplifying
x2 = 3.4

Take the square root of each side:
x = {-1.843908891, 1.843908891}

See similar equations:

| 12x-6=3x+9 | | 8x=1-x^2 | | -4+-3x=5 | | 7x+1/4=(-193/12) | | 8(x-2.01)-0.52= | | -8x+4=-12 | | (5y+6)-3+4y=10 | | -7x-7=-21 | | 5x-50=10 | | 6+-4X=-10 | | 17f-1=2f | | 71-2x=43x+16 | | 9x-11=6x+7 | | 24+-8x=-16 | | -8x+24=16 | | (15-3*2)-16= | | 2/3(-9*m+12) | | (30-16x)=(20-8x) | | -5*(-3)= | | -6x+12=-18 | | 6-(-33)= | | (70-4x)=(60-2x) | | -6x+12=18 | | (50-8x)=(40-4x) | | -48-(-91)= | | 2x*3x*4x= | | 10n+14-7n=2 | | y=-(1/4)x+2 | | 85-7*11= | | 24*27+44= | | X+4=-37 | | 2y+13=2y-2 |

Equations solver categories