60-2x-3x^2=0

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


Simplifying
60 + -2x + -3x2 = 0

Solving
60 + -2x + -3x2 = 0

Solving for variable 'x'.

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

Divide each side by '-3'.
-20 + 0.6666666667x + x2 = 0

Move the constant term to the right:

Add '20' to each side of the equation.
-20 + 0.6666666667x + 20 + x2 = 0 + 20

Reorder the terms:
-20 + 20 + 0.6666666667x + x2 = 0 + 20

Combine like terms: -20 + 20 = 0
0 + 0.6666666667x + x2 = 0 + 20
0.6666666667x + x2 = 0 + 20

Combine like terms: 0 + 20 = 20
0.6666666667x + x2 = 20

The x term is 0.6666666667x.  Take half its coefficient (0.3333333334).
Square it (0.1111111112) and add it to both sides.

Add '0.1111111112' to each side of the equation.
0.6666666667x + 0.1111111112 + x2 = 20 + 0.1111111112

Reorder the terms:
0.1111111112 + 0.6666666667x + x2 = 20 + 0.1111111112

Combine like terms: 20 + 0.1111111112 = 20.1111111112
0.1111111112 + 0.6666666667x + x2 = 20.1111111112

Factor a perfect square on the left side:
(x + 0.3333333334)(x + 0.3333333334) = 20.1111111112

Calculate the square root of the right side: 4.484541349

Break this problem into two subproblems by setting 
(x + 0.3333333334) equal to 4.484541349 and -4.484541349.

Subproblem 1

x + 0.3333333334 = 4.484541349 Simplifying x + 0.3333333334 = 4.484541349 Reorder the terms: 0.3333333334 + x = 4.484541349 Solving 0.3333333334 + x = 4.484541349 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.3333333334' to each side of the equation. 0.3333333334 + -0.3333333334 + x = 4.484541349 + -0.3333333334 Combine like terms: 0.3333333334 + -0.3333333334 = 0.0000000000 0.0000000000 + x = 4.484541349 + -0.3333333334 x = 4.484541349 + -0.3333333334 Combine like terms: 4.484541349 + -0.3333333334 = 4.1512080156 x = 4.1512080156 Simplifying x = 4.1512080156

Subproblem 2

x + 0.3333333334 = -4.484541349 Simplifying x + 0.3333333334 = -4.484541349 Reorder the terms: 0.3333333334 + x = -4.484541349 Solving 0.3333333334 + x = -4.484541349 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.3333333334' to each side of the equation. 0.3333333334 + -0.3333333334 + x = -4.484541349 + -0.3333333334 Combine like terms: 0.3333333334 + -0.3333333334 = 0.0000000000 0.0000000000 + x = -4.484541349 + -0.3333333334 x = -4.484541349 + -0.3333333334 Combine like terms: -4.484541349 + -0.3333333334 = -4.8178746824 x = -4.8178746824 Simplifying x = -4.8178746824

Solution

The solution to the problem is based on the solutions from the subproblems. x = {4.1512080156, -4.8178746824}

See similar equations:

| 9-4a=-5a+5 | | 5=5(1-7x) | | 5(-5+x)=2(x+4) | | 5(-3b-2)-6=-(1-5b)+5 | | 6*8*x=864 | | 15y^2=15 | | v^2-11+30=0v | | 6a+1.5=4.5 | | v^2-11+30=0 | | 3x-3=2x-5 | | -7/3(3w-2)=21 | | 1x=-7 | | -y=x+8 | | X-8x+4+2x+1= | | -4(x+y)+(x-y)= | | a/2-4=6 | | log(x)= | | 2logx= | | log[3](4x-15)=5 | | 5p-2p=11 | | 2c^2-5c-2=0 | | x+82=1/2+4x+6 | | 3x+57=180 | | 7x+15=10x-12 | | 7y+9=6y+12 | | 5x-4=11-x | | 3x+x=640 | | 3x+-2x+6=17 | | -5x^2+15000-1250000=0 | | 1+2+3+4+5=15 | | x+x+16=90 | | 1+2+3+4+5=55 |

Equations solver categories