2x^2-39x+240=0

Simple and best practice solution for 2x^2-39x+240=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^2-39x+240=0 equation:


Simplifying
2x2 + -39x + 240 = 0

Reorder the terms:
240 + -39x + 2x2 = 0

Solving
240 + -39x + 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'.
120 + -19.5x + x2 = 0

Move the constant term to the right:

Add '-120' to each side of the equation.
120 + -19.5x + -120 + x2 = 0 + -120

Reorder the terms:
120 + -120 + -19.5x + x2 = 0 + -120

Combine like terms: 120 + -120 = 0
0 + -19.5x + x2 = 0 + -120
-19.5x + x2 = 0 + -120

Combine like terms: 0 + -120 = -120
-19.5x + x2 = -120

The x term is -19.5x.  Take half its coefficient (-9.75).
Square it (95.0625) and add it to both sides.

Add '95.0625' to each side of the equation.
-19.5x + 95.0625 + x2 = -120 + 95.0625

Reorder the terms:
95.0625 + -19.5x + x2 = -120 + 95.0625

Combine like terms: -120 + 95.0625 = -24.9375
95.0625 + -19.5x + x2 = -24.9375

Factor a perfect square on the left side:
(x + -9.75)(x + -9.75) = -24.9375

Can't calculate square root of the right side.

The solution to this equation could not be determined.

See similar equations:

| X/4=x+2/2 | | 2q^2-3q-2= | | 4x+3/5=9x+5/11 | | y=5mx+2b | | 4/2x-3=8/2x | | (3x-5y-58)+(6x+7b)=m | | 3x^2+10=7x | | 8*8+6=m | | 3/20c=17/20 | | x^2-8x+50=0 | | 3/x+3=5/2x+6+1/x-2 | | 3w^2+8w-3= | | 1/4(c-7)=1/10(c-4) | | 31/5+1/5x-4/5 | | 3g^2+4g-4= | | 3(2g-1/3)=2(3g-1/2) | | 945=x(20+x)+3x+-30 | | 2s^2+9s+10= | | 5y-4x=24 | | 17y^2-76y-45=0 | | 5y=-60 | | 0,5x-2/3x=7/12 | | x^2=-18x-80 | | 3/x-3=x/x-3+3 | | 9d+d=180 | | x-.6-1=x-1.28 | | 2/3x+16=0 | | 5n^2-24n-5= | | (36x^-2/3)^-1/2 | | 4x-12-1=5x-25 | | 0.5x+.33x+5=x | | 216=36p |

Equations solver categories