0=3x^2-14x-60

Simple and best practice solution for 0=3x^2-14x-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 0=3x^2-14x-60 equation:


Simplifying
0 = 3x2 + -14x + -60

Reorder the terms:
0 = -60 + -14x + 3x2

Solving
0 = -60 + -14x + 3x2

Solving for variable 'x'.

Combine like terms: 0 + 60 = 60
60 + 14x + -3x2 = -60 + -14x + 3x2 + 60 + 14x + -3x2

Reorder the terms:
60 + 14x + -3x2 = -60 + 60 + -14x + 14x + 3x2 + -3x2

Combine like terms: -60 + 60 = 0
60 + 14x + -3x2 = 0 + -14x + 14x + 3x2 + -3x2
60 + 14x + -3x2 = -14x + 14x + 3x2 + -3x2

Combine like terms: -14x + 14x = 0
60 + 14x + -3x2 = 0 + 3x2 + -3x2
60 + 14x + -3x2 = 3x2 + -3x2

Combine like terms: 3x2 + -3x2 = 0
60 + 14x + -3x2 = 0

Begin completing the square.  Divide all terms by
-3 the coefficient of the squared term: 

Divide each side by '-3'.
-20 + -4.666666667x + x2 = 0

Move the constant term to the right:

Add '20' to each side of the equation.
-20 + -4.666666667x + 20 + x2 = 0 + 20

Reorder the terms:
-20 + 20 + -4.666666667x + x2 = 0 + 20

Combine like terms: -20 + 20 = 0
0 + -4.666666667x + x2 = 0 + 20
-4.666666667x + x2 = 0 + 20

Combine like terms: 0 + 20 = 20
-4.666666667x + x2 = 20

The x term is -4.666666667x.  Take half its coefficient (-2.333333334).
Square it (5.444444448) and add it to both sides.

Add '5.444444448' to each side of the equation.
-4.666666667x + 5.444444448 + x2 = 20 + 5.444444448

Reorder the terms:
5.444444448 + -4.666666667x + x2 = 20 + 5.444444448

Combine like terms: 20 + 5.444444448 = 25.444444448
5.444444448 + -4.666666667x + x2 = 25.444444448

Factor a perfect square on the left side:
(x + -2.333333334)(x + -2.333333334) = 25.444444448

Calculate the square root of the right side: 5.04424865

Break this problem into two subproblems by setting 
(x + -2.333333334) equal to 5.04424865 and -5.04424865.

Subproblem 1

x + -2.333333334 = 5.04424865 Simplifying x + -2.333333334 = 5.04424865 Reorder the terms: -2.333333334 + x = 5.04424865 Solving -2.333333334 + x = 5.04424865 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '2.333333334' to each side of the equation. -2.333333334 + 2.333333334 + x = 5.04424865 + 2.333333334 Combine like terms: -2.333333334 + 2.333333334 = 0.000000000 0.000000000 + x = 5.04424865 + 2.333333334 x = 5.04424865 + 2.333333334 Combine like terms: 5.04424865 + 2.333333334 = 7.377581984 x = 7.377581984 Simplifying x = 7.377581984

Subproblem 2

x + -2.333333334 = -5.04424865 Simplifying x + -2.333333334 = -5.04424865 Reorder the terms: -2.333333334 + x = -5.04424865 Solving -2.333333334 + x = -5.04424865 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '2.333333334' to each side of the equation. -2.333333334 + 2.333333334 + x = -5.04424865 + 2.333333334 Combine like terms: -2.333333334 + 2.333333334 = 0.000000000 0.000000000 + x = -5.04424865 + 2.333333334 x = -5.04424865 + 2.333333334 Combine like terms: -5.04424865 + 2.333333334 = -2.710915316 x = -2.710915316 Simplifying x = -2.710915316

Solution

The solution to the problem is based on the solutions from the subproblems. x = {7.377581984, -2.710915316}

See similar equations:

| x^2-6+9=0 | | 1-5(5x/3)=-4(-8x) | | -2v+9=25 | | -3(-8+12*2)= | | -2(x+5)-6=-16 | | 1-5(5x/3)=-32x | | 36=96x | | y=3x^2-14x-60 | | 9z^2-14z=8 | | 91=-7(p-8) | | 6x+5=33-x | | 3(4d+1)-9d=6(2-1d) | | 10x+7+3= | | 4p^3+12p+9=0 | | 9x+14-8x=-3-11 | | -28+p=7p-10 | | 8+6=14 | | -6-13=9x+14-8x | | 9-k=2k | | 5a(5a+2)=-1 | | x^2-14x-14-1=0 | | 7(m+5)=21 | | 4-3-7+2= | | 6(x)=15+5(x) | | 5x+7=31-x | | .25a-8=7 | | -2a+5a+7=14+3a | | 9(2+1w)-4w=3w-10 | | 4x^2+4y^2+36y+5=0 | | 8x-9y=14 | | 8X+1=9X+1 | | 2x-3(2x+4)=3-1(2x-5) |

Equations solver categories