2x^2-4x=60

Simple and best practice solution for 2x^2-4x=60 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^2-4x=60 equation:


Simplifying
2x2 + -4x = 60

Reorder the terms:
-4x + 2x2 = 60

Solving
-4x + 2x2 = 60

Solving for variable 'x'.

Reorder the terms:
-60 + -4x + 2x2 = 60 + -60

Combine like terms: 60 + -60 = 0
-60 + -4x + 2x2 = 0

Factor out the Greatest Common Factor (GCF), '2'.
2(-30 + -2x + x2) = 0

Ignore the factor 2.

Subproblem 1

Set the factor '(-30 + -2x + x2)' equal to zero and attempt to solve: Simplifying -30 + -2x + x2 = 0 Solving -30 + -2x + x2 = 0 Begin completing the square. Move the constant term to the right: Add '30' to each side of the equation. -30 + -2x + 30 + x2 = 0 + 30 Reorder the terms: -30 + 30 + -2x + x2 = 0 + 30 Combine like terms: -30 + 30 = 0 0 + -2x + x2 = 0 + 30 -2x + x2 = 0 + 30 Combine like terms: 0 + 30 = 30 -2x + x2 = 30 The x term is -2x. Take half its coefficient (-1). Square it (1) and add it to both sides. Add '1' to each side of the equation. -2x + 1 + x2 = 30 + 1 Reorder the terms: 1 + -2x + x2 = 30 + 1 Combine like terms: 30 + 1 = 31 1 + -2x + x2 = 31 Factor a perfect square on the left side: (x + -1)(x + -1) = 31 Calculate the square root of the right side: 5.567764363 Break this problem into two subproblems by setting (x + -1) equal to 5.567764363 and -5.567764363.

Subproblem 1

x + -1 = 5.567764363 Simplifying x + -1 = 5.567764363 Reorder the terms: -1 + x = 5.567764363 Solving -1 + x = 5.567764363 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '1' to each side of the equation. -1 + 1 + x = 5.567764363 + 1 Combine like terms: -1 + 1 = 0 0 + x = 5.567764363 + 1 x = 5.567764363 + 1 Combine like terms: 5.567764363 + 1 = 6.567764363 x = 6.567764363 Simplifying x = 6.567764363

Subproblem 2

x + -1 = -5.567764363 Simplifying x + -1 = -5.567764363 Reorder the terms: -1 + x = -5.567764363 Solving -1 + x = -5.567764363 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '1' to each side of the equation. -1 + 1 + x = -5.567764363 + 1 Combine like terms: -1 + 1 = 0 0 + x = -5.567764363 + 1 x = -5.567764363 + 1 Combine like terms: -5.567764363 + 1 = -4.567764363 x = -4.567764363 Simplifying x = -4.567764363

Solution

The solution to the problem is based on the solutions from the subproblems. x = {6.567764363, -4.567764363}

Solution

x = {6.567764363, -4.567764363}

See similar equations:

| 0.54x-0.15=4.19-2.56x | | 5(a+2)-3A=24 | | -13b+7=59 | | 9x-c=b | | -3(y-5)=-7y+35 | | 32+58+90=180 | | -4c+13=-23 | | -4+13=-23 | | 30+x=90 | | 0.5(5-x)=15 | | 45+c=180 | | x-6d=n | | 3n+46=13r+8n | | S/9=4/13 | | 33+x+29=180 | | 5x=40y | | Y=-(-1+2)+2 | | -4/7y=-12 | | 95=9v | | -5+9=-11 | | 2w^2+3-90=0 | | 1/6(1/12) | | 3A^2+4=304 | | 11w-9=-53 | | 1/6(12) | | -96=-3x+3(7x+22) | | 1/6*12 | | 15(6r+8)=210 | | 7+a=13 | | 14=8c-10 | | 3x-5+94=180 | | 3(4d+1)-9d=6(2d-d) |

Equations solver categories