2x^2-19x+140=0

Simple and best practice solution for 2x^2-19x+140=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^2-19x+140=0 equation:


Simplifying
2x2 + -19x + 140 = 0

Reorder the terms:
140 + -19x + 2x2 = 0

Solving
140 + -19x + 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'.
70 + -9.5x + x2 = 0

Move the constant term to the right:

Add '-70' to each side of the equation.
70 + -9.5x + -70 + x2 = 0 + -70

Reorder the terms:
70 + -70 + -9.5x + x2 = 0 + -70

Combine like terms: 70 + -70 = 0
0 + -9.5x + x2 = 0 + -70
-9.5x + x2 = 0 + -70

Combine like terms: 0 + -70 = -70
-9.5x + x2 = -70

The x term is -9.5x.  Take half its coefficient (-4.75).
Square it (22.5625) and add it to both sides.

Add '22.5625' to each side of the equation.
-9.5x + 22.5625 + x2 = -70 + 22.5625

Reorder the terms:
22.5625 + -9.5x + x2 = -70 + 22.5625

Combine like terms: -70 + 22.5625 = -47.4375
22.5625 + -9.5x + x2 = -47.4375

Factor a perfect square on the left side:
(x + -4.75)(x + -4.75) = -47.4375

Can't calculate square root of the right side.

The solution to this equation could not be determined.

See similar equations:

| 3.5x=6.8 | | X+5x=7056 | | Z+5r=2 | | X^2-.5x-1=0 | | -2.9=3f+4.9 | | 4(5n-5)-[3(4n-2)+4]= | | 4(5n-5)-[3(4n-2)+4]= | | -2.9=3f+4.9 | | 3a=-0.25 | | -2.9=3f+4.9 | | 17b-21.63=12.37 | | 17b-21.63=12.37 | | 17b-21.63=12.37 | | 17b-21.63=12.37 | | 5p-14=6 | | -7x-6=20 | | 5-3n-18=6 | | 8x+2.7=26.7 | | 9x+13=22 | | 2x-4(5x+3)=10 | | .1667(12-6x)=5(X+4) | | 25x^2-4y^2+100=0 | | 0.20-0.08(x-10)=24.80 | | (5b-6)-(4-b)= | | (5b-6)(4-b)= | | 2x+3x-x=36 | | 31-9*5/2-4+12/3+7= | | 15.5-9*5/2-4+12/3+7= | | (3x+20)+(10y)=180 | | 4x+7y-7x=5 | | 6+x^2=-14 | | 8zx+5= |

Equations solver categories