2v^2-3v=3

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


Simplifying
2v2 + -3v = 3

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

Solving
-3v + 2v2 = 3

Solving for variable 'v'.

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

Combine like terms: 3 + -3 = 0
-3 + -3v + 2v2 = 0

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

Divide each side by '2'.
-1.5 + -1.5v + v2 = 0

Move the constant term to the right:

Add '1.5' to each side of the equation.
-1.5 + -1.5v + 1.5 + v2 = 0 + 1.5

Reorder the terms:
-1.5 + 1.5 + -1.5v + v2 = 0 + 1.5

Combine like terms: -1.5 + 1.5 = 0.0
0.0 + -1.5v + v2 = 0 + 1.5
-1.5v + v2 = 0 + 1.5

Combine like terms: 0 + 1.5 = 1.5
-1.5v + v2 = 1.5

The v term is -1.5v.  Take half its coefficient (-0.75).
Square it (0.5625) and add it to both sides.

Add '0.5625' to each side of the equation.
-1.5v + 0.5625 + v2 = 1.5 + 0.5625

Reorder the terms:
0.5625 + -1.5v + v2 = 1.5 + 0.5625

Combine like terms: 1.5 + 0.5625 = 2.0625
0.5625 + -1.5v + v2 = 2.0625

Factor a perfect square on the left side:
(v + -0.75)(v + -0.75) = 2.0625

Calculate the square root of the right side: 1.436140662

Break this problem into two subproblems by setting 
(v + -0.75) equal to 1.436140662 and -1.436140662.

Subproblem 1

v + -0.75 = 1.436140662 Simplifying v + -0.75 = 1.436140662 Reorder the terms: -0.75 + v = 1.436140662 Solving -0.75 + v = 1.436140662 Solving for variable 'v'. Move all terms containing v to the left, all other terms to the right. Add '0.75' to each side of the equation. -0.75 + 0.75 + v = 1.436140662 + 0.75 Combine like terms: -0.75 + 0.75 = 0.00 0.00 + v = 1.436140662 + 0.75 v = 1.436140662 + 0.75 Combine like terms: 1.436140662 + 0.75 = 2.186140662 v = 2.186140662 Simplifying v = 2.186140662

Subproblem 2

v + -0.75 = -1.436140662 Simplifying v + -0.75 = -1.436140662 Reorder the terms: -0.75 + v = -1.436140662 Solving -0.75 + v = -1.436140662 Solving for variable 'v'. Move all terms containing v to the left, all other terms to the right. Add '0.75' to each side of the equation. -0.75 + 0.75 + v = -1.436140662 + 0.75 Combine like terms: -0.75 + 0.75 = 0.00 0.00 + v = -1.436140662 + 0.75 v = -1.436140662 + 0.75 Combine like terms: -1.436140662 + 0.75 = -0.686140662 v = -0.686140662 Simplifying v = -0.686140662

Solution

The solution to the problem is based on the solutions from the subproblems. v = {2.186140662, -0.686140662}

See similar equations:

| -32+2x=-8(-7x+4) | | 3x+10=5-7x | | 0.2x-4=36 | | -8m=104 | | 15m=20 | | v^2+8v-3=0 | | 5=b+5-4 | | 2=4+2 | | 2*2.5+1=4 | | 4s^2-s-8=0 | | 8p-1+7=6 | | 0.50x+0.65(30)=0.25(136) | | = 5 + 12 x-6 | | 5+.2b=6 | | 21-9f=-24 | | H=-16*t^2 | | 9m^2+5m-1=0 | | d(x)=-1/2x-3 | | 17+3d=11 | | 2g+14=6 | | -9v+25=-61 | | 342.50=160+0.25x | | x-7y=-17fory | | 180=(5x+y)+(2x+y)+100 | | 3(d+6)+5(d-2)=-16 | | -3.5b=5 | | 2j^2+3j-6=0 | | 180-8x=160+6x | | 2.5(2.2)+2.5(1.8)+5=15 | | 2j^2+3j-6=00 | | 3m^2x^2-2mx=-1 | | 3a+4(9+12)=90 |

Equations solver categories