2x^2+1x+18=0

Simple and best practice solution for 2x^2+1x+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 2x^2+1x+18=0 equation:


Simplifying
2x2 + 1x + 18 = 0

Reorder the terms:
18 + 1x + 2x2 = 0

Solving
18 + 1x + 2x2 = 0

Solving for variable 'x'.

Begin completing the square.  Divide all terms by
2 the coefficient of the squared term: 

Divide each side by '2'.
9 + 0.5x + x2 = 0

Move the constant term to the right:

Add '-9' to each side of the equation.
9 + 0.5x + -9 + x2 = 0 + -9

Reorder the terms:
9 + -9 + 0.5x + x2 = 0 + -9

Combine like terms: 9 + -9 = 0
0 + 0.5x + x2 = 0 + -9
0.5x + x2 = 0 + -9

Combine like terms: 0 + -9 = -9
0.5x + x2 = -9

The x term is 0.5x.  Take half its coefficient (0.25).
Square it (0.0625) and add it to both sides.

Add '0.0625' to each side of the equation.
0.5x + 0.0625 + x2 = -9 + 0.0625

Reorder the terms:
0.0625 + 0.5x + x2 = -9 + 0.0625

Combine like terms: -9 + 0.0625 = -8.9375
0.0625 + 0.5x + x2 = -8.9375

Factor a perfect square on the left side:
(x + 0.25)(x + 0.25) = -8.9375

Can't calculate square root of the right side.

The solution to this equation could not be determined.

See similar equations:

| 3x+7-8x=-2x+3-3x+4 | | 8y-15y=-37-47 | | -6x+19=47 | | 6x+24=8x-12 | | 21=9-4/3 | | 6x^2+31x=30 | | x+2/3=18 | | 16y^2-40yz+25z^2= | | -4(b+7)=-12b+36 | | 10+7x=6+-5x | | X+25+4x=-44-4x-48 | | 2y-18=44 | | (5u-20)=35 | | (5u-20)=36 | | -25=r/3-11 | | 5x+9-4x=10 | | 7x+8+4x+6=5x+2 | | t/2+7=15 | | 0-5=14-7x | | (2x-y)-8i=8+4yi | | 8-=1/9(-9t+27) | | 9x/3+11x=28 | | 4(r+7)= | | 0-5x=14-7 | | -18.2=v+(-65.2) | | 7x+72=12x+17 | | .10x+2.4=.14x+1.68 | | 2c+1=31 | | 9d-5c-d= | | C=48y+0.99n | | .33x-.5=.83x | | 16-24x=-8 |

Equations solver categories