2x^2-3x+18=0

Simple and best practice solution for 2x^2-3x+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^2-3x+18=0 equation:


Simplifying
2x2 + -3x + 18 = 0

Reorder the terms:
18 + -3x + 2x2 = 0

Solving
18 + -3x + 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 + -1.5x + x2 = 0

Move the constant term to the right:

Add '-9' to each side of the equation.
9 + -1.5x + -9 + x2 = 0 + -9

Reorder the terms:
9 + -9 + -1.5x + x2 = 0 + -9

Combine like terms: 9 + -9 = 0
0 + -1.5x + x2 = 0 + -9
-1.5x + x2 = 0 + -9

Combine like terms: 0 + -9 = -9
-1.5x + x2 = -9

The x term is -1.5x.  Take half its coefficient (-0.75).
Square it (0.5625) and add it to both sides.

Add '0.5625' to each side of the equation.
-1.5x + 0.5625 + x2 = -9 + 0.5625

Reorder the terms:
0.5625 + -1.5x + x2 = -9 + 0.5625

Combine like terms: -9 + 0.5625 = -8.4375
0.5625 + -1.5x + x2 = -8.4375

Factor a perfect square on the left side:
(x + -0.75)(x + -0.75) = -8.4375

Can't calculate square root of the right side.

The solution to this equation could not be determined.

See similar equations:

| 5+9i/1+i | | z/3-8=14 | | 56x-14/24x-6 | | x+2x+x=y | | 21/3+r=43/4 | | 4(3a+6)= | | 3(d-5)=15 | | 40+x=2x | | X+3=9+2 | | -5x-9=-14 | | 1/10r=41/2 | | 3x-5x=-10-20 | | 2-x=3x+6 | | (p^2-4p-21)/(p^2-2p-35) | | 2/7r=6 | | X+x=10-2 | | 4x=136+9x | | 9-10x=83-24x | | 31x+21x=21 | | 4x+3x=10+4 | | 10=4*T*20/100 | | -64x^2+104x= | | 4x+x+20=200 | | 4/3r=31/2 | | 28=4-3p | | -43-4=7-9x | | x+x+20=200 | | 3p-5=-20 | | 2.4x=8.64 | | 7x^2+16x-15= | | 72-6x=21x+24 | | 7x+1=-35 |

Equations solver categories