2x^2+12x-4=

Simple and best practice solution for 2x^2+12x-4= 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 2x^2+12x-4= equation:


Simplifying
2x2 + 12x + -4 = 0

Reorder the terms:
-4 + 12x + 2x2 = 0

Solving
-4 + 12x + 2x2 = 0

Solving for variable 'x'.

Factor out the Greatest Common Factor (GCF), '2'.
2(-2 + 6x + x2) = 0

Ignore the factor 2.

Subproblem 1

Set the factor '(-2 + 6x + x2)' equal to zero and attempt to solve: Simplifying -2 + 6x + x2 = 0 Solving -2 + 6x + x2 = 0 Begin completing the square. Move the constant term to the right: Add '2' to each side of the equation. -2 + 6x + 2 + x2 = 0 + 2 Reorder the terms: -2 + 2 + 6x + x2 = 0 + 2 Combine like terms: -2 + 2 = 0 0 + 6x + x2 = 0 + 2 6x + x2 = 0 + 2 Combine like terms: 0 + 2 = 2 6x + x2 = 2 The x term is 6x. Take half its coefficient (3). Square it (9) and add it to both sides. Add '9' to each side of the equation. 6x + 9 + x2 = 2 + 9 Reorder the terms: 9 + 6x + x2 = 2 + 9 Combine like terms: 2 + 9 = 11 9 + 6x + x2 = 11 Factor a perfect square on the left side: (x + 3)(x + 3) = 11 Calculate the square root of the right side: 3.31662479 Break this problem into two subproblems by setting (x + 3) equal to 3.31662479 and -3.31662479.

Subproblem 1

x + 3 = 3.31662479 Simplifying x + 3 = 3.31662479 Reorder the terms: 3 + x = 3.31662479 Solving 3 + x = 3.31662479 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-3' to each side of the equation. 3 + -3 + x = 3.31662479 + -3 Combine like terms: 3 + -3 = 0 0 + x = 3.31662479 + -3 x = 3.31662479 + -3 Combine like terms: 3.31662479 + -3 = 0.31662479 x = 0.31662479 Simplifying x = 0.31662479

Subproblem 2

x + 3 = -3.31662479 Simplifying x + 3 = -3.31662479 Reorder the terms: 3 + x = -3.31662479 Solving 3 + x = -3.31662479 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-3' to each side of the equation. 3 + -3 + x = -3.31662479 + -3 Combine like terms: 3 + -3 = 0 0 + x = -3.31662479 + -3 x = -3.31662479 + -3 Combine like terms: -3.31662479 + -3 = -6.31662479 x = -6.31662479 Simplifying x = -6.31662479

Solution

The solution to the problem is based on the solutions from the subproblems. x = {0.31662479, -6.31662479}

Solution

x = {0.31662479, -6.31662479}

See similar equations:

| -8(c-5)=0 | | -8(c-5)=5 | | 18w-10-6w=5w | | 8n^2+4n-21=0 | | -3y=-2x | | x^2-1x-14=0 | | 50*n=30 | | 7n^2-8=20 | | 12x^2+8x-19=0 | | p/8=-6 | | (3x/(x-5))=y | | x^3+3x^2+5x= | | (X/8)=(5x/7)-33 | | 3(3m-25)=2(3m+3) | | 2-4/5x=2 | | -42-7x=36-10x | | 2377960+26x=125x+2067959 | | -7x+3=-8x+4 | | 9c/5=-18 | | 3e^4x+3=12 | | x^3-x^2-13x+19=0 | | 26=8+b | | x*0.06=5.70 | | -20-r=-31 | | 3x+4y-2x-5= | | -7m+9m=11 | | -x^2-9x+36= | | 6(x-1/8-2x-3/16)=3(3x/4-1/4)-3/8(3x-2) | | 22=6-(1-n) | | -0.04x^2+7.5x+10.2=0 | | ln(x-4)+ln(6*x-5)=ln*5 | | B+18+36b=74 |

Equations solver categories