12x^2-60x+7=0

Simple and best practice solution for 12x^2-60x+7=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 12x^2-60x+7=0 equation:


Simplifying
12x2 + -60x + 7 = 0

Reorder the terms:
7 + -60x + 12x2 = 0

Solving
7 + -60x + 12x2 = 0

Solving for variable 'x'.

Begin completing the square.  Divide all terms by
12 the coefficient of the squared term: 

Divide each side by '12'.
0.5833333333 + -5x + x2 = 0

Move the constant term to the right:

Add '-0.5833333333' to each side of the equation.
0.5833333333 + -5x + -0.5833333333 + x2 = 0 + -0.5833333333

Reorder the terms:
0.5833333333 + -0.5833333333 + -5x + x2 = 0 + -0.5833333333

Combine like terms: 0.5833333333 + -0.5833333333 = 0.0000000000
0.0000000000 + -5x + x2 = 0 + -0.5833333333
-5x + x2 = 0 + -0.5833333333

Combine like terms: 0 + -0.5833333333 = -0.5833333333
-5x + x2 = -0.5833333333

The x term is -5x.  Take half its coefficient (-2.5).
Square it (6.25) and add it to both sides.

Add '6.25' to each side of the equation.
-5x + 6.25 + x2 = -0.5833333333 + 6.25

Reorder the terms:
6.25 + -5x + x2 = -0.5833333333 + 6.25

Combine like terms: -0.5833333333 + 6.25 = 5.6666666667
6.25 + -5x + x2 = 5.6666666667

Factor a perfect square on the left side:
(x + -2.5)(x + -2.5) = 5.6666666667

Calculate the square root of the right side: 2.380476143

Break this problem into two subproblems by setting 
(x + -2.5) equal to 2.380476143 and -2.380476143.

Subproblem 1

x + -2.5 = 2.380476143 Simplifying x + -2.5 = 2.380476143 Reorder the terms: -2.5 + x = 2.380476143 Solving -2.5 + x = 2.380476143 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '2.5' to each side of the equation. -2.5 + 2.5 + x = 2.380476143 + 2.5 Combine like terms: -2.5 + 2.5 = 0.0 0.0 + x = 2.380476143 + 2.5 x = 2.380476143 + 2.5 Combine like terms: 2.380476143 + 2.5 = 4.880476143 x = 4.880476143 Simplifying x = 4.880476143

Subproblem 2

x + -2.5 = -2.380476143 Simplifying x + -2.5 = -2.380476143 Reorder the terms: -2.5 + x = -2.380476143 Solving -2.5 + x = -2.380476143 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '2.5' to each side of the equation. -2.5 + 2.5 + x = -2.380476143 + 2.5 Combine like terms: -2.5 + 2.5 = 0.0 0.0 + x = -2.380476143 + 2.5 x = -2.380476143 + 2.5 Combine like terms: -2.380476143 + 2.5 = 0.119523857 x = 0.119523857 Simplifying x = 0.119523857

Solution

The solution to the problem is based on the solutions from the subproblems. x = {4.880476143, 0.119523857}

See similar equations:

| 2(x-3)=3(x+7) | | 3x+(x+2)=x+20 | | -2x+5=-5x | | -17+2x=15 | | -5(3-x)=2x+7 | | 5(x-2)=2x | | 2(x+1)=3 | | 6-5x=2x+5 | | 3x^2+x=30 | | 3+0*x-1=2 | | 3*x-1=2 | | 0*x+4=-3 | | 133+7x-20=4x+33 | | 18x^2=9 | | -18-6=14-10x | | -2(3x-5)+8x-2= | | -12x+7=5x-2x^2 | | 9x+12=8x | | 3x^2+12x+-1=0 | | -1=(1/6)x-2 | | -8=(1/6)x-2 | | 2x-(x+1)=-3+5(x-6) | | 7x^2+3x=12 | | 3y-3+y+45=5+7y+45-5y | | 10+6= | | 5x+6=5(x+9) | | (-2.5)6x-2=(-2.5)7x+4 | | (5x-4)+(2x+11)= | | 6+6(b+2)=23+6b | | -9c+5=-40 | | 7(2q-3)=6q+3 | | -5(t+4)= |

Equations solver categories