-2v^2-12=-3v^2+6v

Simple and best practice solution for -2v^2-12=-3v^2+6v 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 -2v^2-12=-3v^2+6v equation:


Simplifying
-2v2 + -12 = -3v2 + 6v

Reorder the terms:
-12 + -2v2 = -3v2 + 6v

Reorder the terms:
-12 + -2v2 = 6v + -3v2

Solving
-12 + -2v2 = 6v + -3v2

Solving for variable 'v'.

Reorder the terms:
-12 + -6v + -2v2 + 3v2 = 6v + -3v2 + -6v + 3v2

Combine like terms: -2v2 + 3v2 = 1v2
-12 + -6v + 1v2 = 6v + -3v2 + -6v + 3v2

Reorder the terms:
-12 + -6v + 1v2 = 6v + -6v + -3v2 + 3v2

Combine like terms: 6v + -6v = 0
-12 + -6v + 1v2 = 0 + -3v2 + 3v2
-12 + -6v + 1v2 = -3v2 + 3v2

Combine like terms: -3v2 + 3v2 = 0
-12 + -6v + 1v2 = 0

Begin completing the square.

Move the constant term to the right:

Add '12' to each side of the equation.
-12 + -6v + 12 + v2 = 0 + 12

Reorder the terms:
-12 + 12 + -6v + v2 = 0 + 12

Combine like terms: -12 + 12 = 0
0 + -6v + v2 = 0 + 12
-6v + v2 = 0 + 12

Combine like terms: 0 + 12 = 12
-6v + v2 = 12

The v term is -6v.  Take half its coefficient (-3).
Square it (9) and add it to both sides.

Add '9' to each side of the equation.
-6v + 9 + v2 = 12 + 9

Reorder the terms:
9 + -6v + v2 = 12 + 9

Combine like terms: 12 + 9 = 21
9 + -6v + v2 = 21

Factor a perfect square on the left side:
(v + -3)(v + -3) = 21

Calculate the square root of the right side: 4.582575695

Break this problem into two subproblems by setting 
(v + -3) equal to 4.582575695 and -4.582575695.

Subproblem 1

v + -3 = 4.582575695 Simplifying v + -3 = 4.582575695 Reorder the terms: -3 + v = 4.582575695 Solving -3 + v = 4.582575695 Solving for variable 'v'. Move all terms containing v to the left, all other terms to the right. Add '3' to each side of the equation. -3 + 3 + v = 4.582575695 + 3 Combine like terms: -3 + 3 = 0 0 + v = 4.582575695 + 3 v = 4.582575695 + 3 Combine like terms: 4.582575695 + 3 = 7.582575695 v = 7.582575695 Simplifying v = 7.582575695

Subproblem 2

v + -3 = -4.582575695 Simplifying v + -3 = -4.582575695 Reorder the terms: -3 + v = -4.582575695 Solving -3 + v = -4.582575695 Solving for variable 'v'. Move all terms containing v to the left, all other terms to the right. Add '3' to each side of the equation. -3 + 3 + v = -4.582575695 + 3 Combine like terms: -3 + 3 = 0 0 + v = -4.582575695 + 3 v = -4.582575695 + 3 Combine like terms: -4.582575695 + 3 = -1.582575695 v = -1.582575695 Simplifying v = -1.582575695

Solution

The solution to the problem is based on the solutions from the subproblems. v = {7.582575695, -1.582575695}

See similar equations:

| 12x+6=72 | | Lny=Ln(1+3x)-ln(2+x) | | -5x+7=-3x-11 | | -4-x-2x=-22 | | 5+10b=65 | | 12.4k=-3.72 | | 6m-5=15 | | 44=4x+2x+8 | | X+(x-35)+43=180 | | 2x+z+w=4x+1.5z-w | | 0.66x+1=x-4 | | 3x-7-7x=25 | | -x+5+3x=11 | | 3(K+2)+2(k+3)=2k+15 | | 7-2x+4x=29 | | 2(x-3)+4+x-3+4+x+4+15+4=70 | | 81+x+25=180 | | 2x=3.5+0.5x | | x(17-2x)(31-2x)=0 | | 25-2(5-t)=19 | | 8-3(x+2)=2(4-3x)-6 | | (x-4y-3)dx-(x-6y-5)dy=0 | | 4(x+2)-2(x+4)=32 | | 3(k+2)+2(k+3)=2k+3 | | 6.975=-15.5 | | 6.975=-5.5 | | e^7x=2 | | 5-(2-x)=-3(x-3) | | c^3-2c=0 | | 2l+2(l+8)=52 | | 5s^2-26=24 | | x+2=2x(-6) |

Equations solver categories