5v^2-10=2v

Simple and best practice solution for 5v^2-10=2v 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 5v^2-10=2v equation:


Simplifying
5v2 + -10 = 2v

Reorder the terms:
-10 + 5v2 = 2v

Solving
-10 + 5v2 = 2v

Solving for variable 'v'.

Reorder the terms:
-10 + -2v + 5v2 = 2v + -2v

Combine like terms: 2v + -2v = 0
-10 + -2v + 5v2 = 0

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

Divide each side by '5'.
-2 + -0.4v + v2 = 0

Move the constant term to the right:

Add '2' to each side of the equation.
-2 + -0.4v + 2 + v2 = 0 + 2

Reorder the terms:
-2 + 2 + -0.4v + v2 = 0 + 2

Combine like terms: -2 + 2 = 0
0 + -0.4v + v2 = 0 + 2
-0.4v + v2 = 0 + 2

Combine like terms: 0 + 2 = 2
-0.4v + v2 = 2

The v term is -0.4v.  Take half its coefficient (-0.2).
Square it (0.04) and add it to both sides.

Add '0.04' to each side of the equation.
-0.4v + 0.04 + v2 = 2 + 0.04

Reorder the terms:
0.04 + -0.4v + v2 = 2 + 0.04

Combine like terms: 2 + 0.04 = 2.04
0.04 + -0.4v + v2 = 2.04

Factor a perfect square on the left side:
(v + -0.2)(v + -0.2) = 2.04

Calculate the square root of the right side: 1.428285686

Break this problem into two subproblems by setting 
(v + -0.2) equal to 1.428285686 and -1.428285686.

Subproblem 1

v + -0.2 = 1.428285686 Simplifying v + -0.2 = 1.428285686 Reorder the terms: -0.2 + v = 1.428285686 Solving -0.2 + v = 1.428285686 Solving for variable 'v'. Move all terms containing v to the left, all other terms to the right. Add '0.2' to each side of the equation. -0.2 + 0.2 + v = 1.428285686 + 0.2 Combine like terms: -0.2 + 0.2 = 0.0 0.0 + v = 1.428285686 + 0.2 v = 1.428285686 + 0.2 Combine like terms: 1.428285686 + 0.2 = 1.628285686 v = 1.628285686 Simplifying v = 1.628285686

Subproblem 2

v + -0.2 = -1.428285686 Simplifying v + -0.2 = -1.428285686 Reorder the terms: -0.2 + v = -1.428285686 Solving -0.2 + v = -1.428285686 Solving for variable 'v'. Move all terms containing v to the left, all other terms to the right. Add '0.2' to each side of the equation. -0.2 + 0.2 + v = -1.428285686 + 0.2 Combine like terms: -0.2 + 0.2 = 0.0 0.0 + v = -1.428285686 + 0.2 v = -1.428285686 + 0.2 Combine like terms: -1.428285686 + 0.2 = -1.228285686 v = -1.228285686 Simplifying v = -1.228285686

Solution

The solution to the problem is based on the solutions from the subproblems. v = {1.628285686, -1.228285686}

See similar equations:

| R/3=20 | | 1098=6(x+16) | | -2(3+x)=19 | | -9/2x=3/8(7-4x) | | -4(.1x+.2)-1.2=.4 | | -3x-12=-5x+6 | | sin^-1(-sq2/2) | | 26=(x-3)2-10 | | 27+5x-3x=2+7x-5 | | 7x+4y=26 | | 9-(3x-1)=7x | | -32x=56 | | -22+8x=10+6x | | 6-2x-9+3x-8+8+4+2x=-3x+1 | | 3-6r=2r-9 | | 8.4-6.8=14.2+6.3o | | 3g+17.2=11.6 | | 4-(5-x)=2x | | -30+7x=-X+42 | | X^2-11x-33=-2x+3 | | log[7](5x-11)=2 | | -3/2-6/5x=-7/3 | | 1/3u-8/5=-5/2 | | -16/-10 | | Y=log(5)x | | 40x=60+30x | | -3+u=20 | | 8x-65=X+40 | | x(5+4)=x+20-2x | | 8e-27= | | tan64=x/11 | | 2r-8=x+4 |

Equations solver categories