7v^2-29v+8=0

Simple and best practice solution for 7v^2-29v+8=0 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 7v^2-29v+8=0 equation:


Simplifying
7v2 + -29v + 8 = 0

Reorder the terms:
8 + -29v + 7v2 = 0

Solving
8 + -29v + 7v2 = 0

Solving for variable 'v'.

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

Divide each side by '7'.
1.142857143 + -4.142857143v + v2 = 0

Move the constant term to the right:

Add '-1.142857143' to each side of the equation.
1.142857143 + -4.142857143v + -1.142857143 + v2 = 0 + -1.142857143

Reorder the terms:
1.142857143 + -1.142857143 + -4.142857143v + v2 = 0 + -1.142857143

Combine like terms: 1.142857143 + -1.142857143 = 0.000000000
0.000000000 + -4.142857143v + v2 = 0 + -1.142857143
-4.142857143v + v2 = 0 + -1.142857143

Combine like terms: 0 + -1.142857143 = -1.142857143
-4.142857143v + v2 = -1.142857143

The v term is -4.142857143v.  Take half its coefficient (-2.071428572).
Square it (4.290816329) and add it to both sides.

Add '4.290816329' to each side of the equation.
-4.142857143v + 4.290816329 + v2 = -1.142857143 + 4.290816329

Reorder the terms:
4.290816329 + -4.142857143v + v2 = -1.142857143 + 4.290816329

Combine like terms: -1.142857143 + 4.290816329 = 3.147959186
4.290816329 + -4.142857143v + v2 = 3.147959186

Factor a perfect square on the left side:
(v + -2.071428572)(v + -2.071428572) = 3.147959186

Calculate the square root of the right side: 1.774248908

Break this problem into two subproblems by setting 
(v + -2.071428572) equal to 1.774248908 and -1.774248908.

Subproblem 1

v + -2.071428572 = 1.774248908 Simplifying v + -2.071428572 = 1.774248908 Reorder the terms: -2.071428572 + v = 1.774248908 Solving -2.071428572 + v = 1.774248908 Solving for variable 'v'. Move all terms containing v to the left, all other terms to the right. Add '2.071428572' to each side of the equation. -2.071428572 + 2.071428572 + v = 1.774248908 + 2.071428572 Combine like terms: -2.071428572 + 2.071428572 = 0.000000000 0.000000000 + v = 1.774248908 + 2.071428572 v = 1.774248908 + 2.071428572 Combine like terms: 1.774248908 + 2.071428572 = 3.84567748 v = 3.84567748 Simplifying v = 3.84567748

Subproblem 2

v + -2.071428572 = -1.774248908 Simplifying v + -2.071428572 = -1.774248908 Reorder the terms: -2.071428572 + v = -1.774248908 Solving -2.071428572 + v = -1.774248908 Solving for variable 'v'. Move all terms containing v to the left, all other terms to the right. Add '2.071428572' to each side of the equation. -2.071428572 + 2.071428572 + v = -1.774248908 + 2.071428572 Combine like terms: -2.071428572 + 2.071428572 = 0.000000000 0.000000000 + v = -1.774248908 + 2.071428572 v = -1.774248908 + 2.071428572 Combine like terms: -1.774248908 + 2.071428572 = 0.297179664 v = 0.297179664 Simplifying v = 0.297179664

Solution

The solution to the problem is based on the solutions from the subproblems. v = {3.84567748, 0.297179664}

See similar equations:

| (-1/4*-4)x=-1/4(-8) | | x^2=19+3c | | 5x-3y=-33 | | 0.125(y+0.75)=0.375(y+0.125) | | p/4--14 | | h^2+28h-14=0 | | 3/5*5/6 | | 60/100 | | 0.09xX=68.96 | | (-1/6*-6)t=-1/6(-6) | | 96=2((x+1)+5) | | 2v^2-13v+17=0 | | 4x+4c=40 | | 5a^2-10a-21=0 | | 0.75y-0.25=1.25y+0.125 | | 0=3x^2+4x+3 | | (-1/5*-5)x=-1/5(1/4) | | x^2+13x-24=0 | | 2X^2-96X-576=0 | | N/1.5=7.5/9 | | 1.66x-1.66=1.25x-0.66 | | 171-u=224 | | X(x+2)+(x+4)+(x+6)=212 | | 8(9-6)-2-7-9-4= | | 0.09xX=65.06 | | 27x^3-50=75 | | w^5/w^2 | | 4K=-2k-16-2 | | 47*x-(-28)=207 | | (-1/2*2)w=-1/2(-1/16) | | 5w^2-3w-17=o | | 14-x=8+x |

Equations solver categories