2x^2-25x+76=0

Simple and best practice solution for 2x^2-25x+76=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^2-25x+76=0 equation:


Simplifying
2x2 + -25x + 76 = 0

Reorder the terms:
76 + -25x + 2x2 = 0

Solving
76 + -25x + 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'.
38 + -12.5x + x2 = 0

Move the constant term to the right:

Add '-38' to each side of the equation.
38 + -12.5x + -38 + x2 = 0 + -38

Reorder the terms:
38 + -38 + -12.5x + x2 = 0 + -38

Combine like terms: 38 + -38 = 0
0 + -12.5x + x2 = 0 + -38
-12.5x + x2 = 0 + -38

Combine like terms: 0 + -38 = -38
-12.5x + x2 = -38

The x term is -12.5x.  Take half its coefficient (-6.25).
Square it (39.0625) and add it to both sides.

Add '39.0625' to each side of the equation.
-12.5x + 39.0625 + x2 = -38 + 39.0625

Reorder the terms:
39.0625 + -12.5x + x2 = -38 + 39.0625

Combine like terms: -38 + 39.0625 = 1.0625
39.0625 + -12.5x + x2 = 1.0625

Factor a perfect square on the left side:
(x + -6.25)(x + -6.25) = 1.0625

Calculate the square root of the right side: 1.030776406

Break this problem into two subproblems by setting 
(x + -6.25) equal to 1.030776406 and -1.030776406.

Subproblem 1

x + -6.25 = 1.030776406 Simplifying x + -6.25 = 1.030776406 Reorder the terms: -6.25 + x = 1.030776406 Solving -6.25 + x = 1.030776406 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '6.25' to each side of the equation. -6.25 + 6.25 + x = 1.030776406 + 6.25 Combine like terms: -6.25 + 6.25 = 0.00 0.00 + x = 1.030776406 + 6.25 x = 1.030776406 + 6.25 Combine like terms: 1.030776406 + 6.25 = 7.280776406 x = 7.280776406 Simplifying x = 7.280776406

Subproblem 2

x + -6.25 = -1.030776406 Simplifying x + -6.25 = -1.030776406 Reorder the terms: -6.25 + x = -1.030776406 Solving -6.25 + x = -1.030776406 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '6.25' to each side of the equation. -6.25 + 6.25 + x = -1.030776406 + 6.25 Combine like terms: -6.25 + 6.25 = 0.00 0.00 + x = -1.030776406 + 6.25 x = -1.030776406 + 6.25 Combine like terms: -1.030776406 + 6.25 = 5.219223594 x = 5.219223594 Simplifying x = 5.219223594

Solution

The solution to the problem is based on the solutions from the subproblems. x = {7.280776406, 5.219223594}

See similar equations:

| 12(v+2)-4v=4(2v+2)-14 | | -z-18=2z+6 | | -2n+5=-13 | | n-4/3=8 | | 10+3x^2=-26 | | 4x^2=135 | | m-5=7m-6m | | ha=p | | 17x-5-12x= | | 3x^2-10=-26 | | 0.82z^2= | | 6[5(c-5)+18]-[3(3c-3)+3]= | | 7(x+3)-4x=4(x-2) | | 12a-6a+21=-45 | | 5+7x=13+x | | 18n-9n+15=-57 | | 10s-3s+7=63 | | 66-e=29 | | 8j-2j+5=59 | | 13y-9y+6=26 | | 3x+1=13x-91 | | 25m^2-14r^3=0 | | B+27=48 | | 7x-4x+3=24 | | 39+g=53 | | 1+5x+5+9=1+3x-5x | | 5(x-2)+8=9(x-1)+3 | | -7k+4(8+8k)=-143 | | 3x^2+36x-80=0 | | -3(-3x+4)-6=-90 | | 7p-7=10(2p+6)-7(-2+2p) | | -6(6k-3)=306 |

Equations solver categories