0=3x^2+6x-10

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


Simplifying
0 = 3x2 + 6x + -10

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

Solving
0 = -10 + 6x + 3x2

Solving for variable 'x'.

Combine like terms: 0 + 10 = 10
10 + -6x + -3x2 = -10 + 6x + 3x2 + 10 + -6x + -3x2

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

Combine like terms: -10 + 10 = 0
10 + -6x + -3x2 = 0 + 6x + -6x + 3x2 + -3x2
10 + -6x + -3x2 = 6x + -6x + 3x2 + -3x2

Combine like terms: 6x + -6x = 0
10 + -6x + -3x2 = 0 + 3x2 + -3x2
10 + -6x + -3x2 = 3x2 + -3x2

Combine like terms: 3x2 + -3x2 = 0
10 + -6x + -3x2 = 0

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

Divide each side by '-3'.
-3.333333333 + 2x + x2 = 0

Move the constant term to the right:

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

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

Combine like terms: -3.333333333 + 3.333333333 = 0.000000000
0.000000000 + 2x + x2 = 0 + 3.333333333
2x + x2 = 0 + 3.333333333

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

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 = 3.333333333 + 1

Reorder the terms:
1 + 2x + x2 = 3.333333333 + 1

Combine like terms: 3.333333333 + 1 = 4.333333333
1 + 2x + x2 = 4.333333333

Factor a perfect square on the left side:
(x + 1)(x + 1) = 4.333333333

Calculate the square root of the right side: 2.081665999

Break this problem into two subproblems by setting 
(x + 1) equal to 2.081665999 and -2.081665999.

Subproblem 1

x + 1 = 2.081665999 Simplifying x + 1 = 2.081665999 Reorder the terms: 1 + x = 2.081665999 Solving 1 + x = 2.081665999 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 = 2.081665999 + -1 Combine like terms: 1 + -1 = 0 0 + x = 2.081665999 + -1 x = 2.081665999 + -1 Combine like terms: 2.081665999 + -1 = 1.081665999 x = 1.081665999 Simplifying x = 1.081665999

Subproblem 2

x + 1 = -2.081665999 Simplifying x + 1 = -2.081665999 Reorder the terms: 1 + x = -2.081665999 Solving 1 + x = -2.081665999 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 = -2.081665999 + -1 Combine like terms: 1 + -1 = 0 0 + x = -2.081665999 + -1 x = -2.081665999 + -1 Combine like terms: -2.081665999 + -1 = -3.081665999 x = -3.081665999 Simplifying x = -3.081665999

Solution

The solution to the problem is based on the solutions from the subproblems. x = {1.081665999, -3.081665999}

See similar equations:

| 3(5x-3)=15x-9 | | 27x^2-69x-8=0 | | -4+a/3=7 | | 0.10x+0.35(70)=25.5 | | y=2-1.5x | | -2x(-2-x)=x+1 | | 3x-5=79-9x | | (x-7x2)-y/5=-9 | | 2y^2+12y-7=0 | | X-0.4x=70 | | 13x+30=3x+210 | | 7x+2=5x+22 | | 6/14=w/49 | | 7x-18=3x+7 | | 8x-2y+4=0 | | 17x+70=-35 | | 3x+12=88-7x | | 2/7x+4/7=-6/7 | | 100/x=40 | | 6x^2+12x^4=171-18x | | 12x-5=8x+5 | | -4y-9=8y+15 | | 10x=85y | | 2b=-94 | | 5y+9=3y-4 | | 10x/5y=16 | | 12x=4y+1 | | 9/2x=180 | | a=0.5(x+y)h | | 2/9x=180 | | w+3=7 | | 15x=-74 |

Equations solver categories