3x^2+10x+6=0

Simple and best practice solution for 3x^2+10x+6=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 3x^2+10x+6=0 equation:


Simplifying
3x2 + 10x + 6 = 0

Reorder the terms:
6 + 10x + 3x2 = 0

Solving
6 + 10x + 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'.
2 + 3.333333333x + x2 = 0

Move the constant term to the right:

Add '-2' to each side of the equation.
2 + 3.333333333x + -2 + x2 = 0 + -2

Reorder the terms:
2 + -2 + 3.333333333x + x2 = 0 + -2

Combine like terms: 2 + -2 = 0
0 + 3.333333333x + x2 = 0 + -2
3.333333333x + x2 = 0 + -2

Combine like terms: 0 + -2 = -2
3.333333333x + x2 = -2

The x term is 3.333333333x.  Take half its coefficient (1.666666667).
Square it (2.777777779) and add it to both sides.

Add '2.777777779' to each side of the equation.
3.333333333x + 2.777777779 + x2 = -2 + 2.777777779

Reorder the terms:
2.777777779 + 3.333333333x + x2 = -2 + 2.777777779

Combine like terms: -2 + 2.777777779 = 0.777777779
2.777777779 + 3.333333333x + x2 = 0.777777779

Factor a perfect square on the left side:
(x + 1.666666667)(x + 1.666666667) = 0.777777779

Calculate the square root of the right side: 0.881917104

Break this problem into two subproblems by setting 
(x + 1.666666667) equal to 0.881917104 and -0.881917104.

Subproblem 1

x + 1.666666667 = 0.881917104 Simplifying x + 1.666666667 = 0.881917104 Reorder the terms: 1.666666667 + x = 0.881917104 Solving 1.666666667 + x = 0.881917104 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-1.666666667' to each side of the equation. 1.666666667 + -1.666666667 + x = 0.881917104 + -1.666666667 Combine like terms: 1.666666667 + -1.666666667 = 0.000000000 0.000000000 + x = 0.881917104 + -1.666666667 x = 0.881917104 + -1.666666667 Combine like terms: 0.881917104 + -1.666666667 = -0.784749563 x = -0.784749563 Simplifying x = -0.784749563

Subproblem 2

x + 1.666666667 = -0.881917104 Simplifying x + 1.666666667 = -0.881917104 Reorder the terms: 1.666666667 + x = -0.881917104 Solving 1.666666667 + x = -0.881917104 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-1.666666667' to each side of the equation. 1.666666667 + -1.666666667 + x = -0.881917104 + -1.666666667 Combine like terms: 1.666666667 + -1.666666667 = 0.000000000 0.000000000 + x = -0.881917104 + -1.666666667 x = -0.881917104 + -1.666666667 Combine like terms: -0.881917104 + -1.666666667 = -2.548583771 x = -2.548583771 Simplifying x = -2.548583771

Solution

The solution to the problem is based on the solutions from the subproblems. x = {-0.784749563, -2.548583771}

See similar equations:

| 4x+3x+10=206 | | 4x+3x+10=204 | | 4x+3x+10=200 | | .33(6x-9)=6(.33x-.05)+7 | | 4x+3x-10=193 | | x-15=80 | | -2(6y)=144 | | 4x+3x-10=192 | | 4x+3x-10=194 | | 4x+3x-10=196 | | x+1=110 | | 4x+3x-10=198 | | 5x-35= | | 100=2x | | 4x+3x-10=200 | | x^2+6x=5 | | 6x^2-10x+28=0 | | 44+12d=50 | | 5x+10+15y= | | 8(9m-2)= | | 2x+5x+25=6x-(10x)-52 | | 4x+3x+6=7x | | 60=2(b+12) | | 2x+5x+25=6x-10x-52 | | 4*x+3=15 | | 2x^2=3x+5 | | 8+7m=m+22 | | 4x+3x-6=7x | | 6x-44=4x | | -9+z=1+2z | | y^2+4=2y^2+8y-1 | | 2y^2+8y=1 |

Equations solver categories