17v^2+12v+3(8v-5)=

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Solution for 17v^2+12v+3(8v-5)= equation:


Simplifying
17v2 + 12v + 3(8v + -5) = 0

Reorder the terms:
17v2 + 12v + 3(-5 + 8v) = 0
17v2 + 12v + (-5 * 3 + 8v * 3) = 0
17v2 + 12v + (-15 + 24v) = 0

Reorder the terms:
-15 + 12v + 24v + 17v2 = 0

Combine like terms: 12v + 24v = 36v
-15 + 36v + 17v2 = 0

Solving
-15 + 36v + 17v2 = 0

Solving for variable 'v'.

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

Divide each side by '17'.
-0.8823529412 + 2.117647059v + v2 = 0

Move the constant term to the right:

Add '0.8823529412' to each side of the equation.
-0.8823529412 + 2.117647059v + 0.8823529412 + v2 = 0 + 0.8823529412

Reorder the terms:
-0.8823529412 + 0.8823529412 + 2.117647059v + v2 = 0 + 0.8823529412

Combine like terms: -0.8823529412 + 0.8823529412 = 0.0000000000
0.0000000000 + 2.117647059v + v2 = 0 + 0.8823529412
2.117647059v + v2 = 0 + 0.8823529412

Combine like terms: 0 + 0.8823529412 = 0.8823529412
2.117647059v + v2 = 0.8823529412

The v term is 2.117647059v.  Take half its coefficient (1.05882353).
Square it (1.121107268) and add it to both sides.

Add '1.121107268' to each side of the equation.
2.117647059v + 1.121107268 + v2 = 0.8823529412 + 1.121107268

Reorder the terms:
1.121107268 + 2.117647059v + v2 = 0.8823529412 + 1.121107268

Combine like terms: 0.8823529412 + 1.121107268 = 2.0034602092
1.121107268 + 2.117647059v + v2 = 2.0034602092

Factor a perfect square on the left side:
(v + 1.05882353)(v + 1.05882353) = 2.0034602092

Calculate the square root of the right side: 1.415436402

Break this problem into two subproblems by setting 
(v + 1.05882353) equal to 1.415436402 and -1.415436402.

Subproblem 1

v + 1.05882353 = 1.415436402 Simplifying v + 1.05882353 = 1.415436402 Reorder the terms: 1.05882353 + v = 1.415436402 Solving 1.05882353 + v = 1.415436402 Solving for variable 'v'. Move all terms containing v to the left, all other terms to the right. Add '-1.05882353' to each side of the equation. 1.05882353 + -1.05882353 + v = 1.415436402 + -1.05882353 Combine like terms: 1.05882353 + -1.05882353 = 0.00000000 0.00000000 + v = 1.415436402 + -1.05882353 v = 1.415436402 + -1.05882353 Combine like terms: 1.415436402 + -1.05882353 = 0.356612872 v = 0.356612872 Simplifying v = 0.356612872

Subproblem 2

v + 1.05882353 = -1.415436402 Simplifying v + 1.05882353 = -1.415436402 Reorder the terms: 1.05882353 + v = -1.415436402 Solving 1.05882353 + v = -1.415436402 Solving for variable 'v'. Move all terms containing v to the left, all other terms to the right. Add '-1.05882353' to each side of the equation. 1.05882353 + -1.05882353 + v = -1.415436402 + -1.05882353 Combine like terms: 1.05882353 + -1.05882353 = 0.00000000 0.00000000 + v = -1.415436402 + -1.05882353 v = -1.415436402 + -1.05882353 Combine like terms: -1.415436402 + -1.05882353 = -2.474259932 v = -2.474259932 Simplifying v = -2.474259932

Solution

The solution to the problem is based on the solutions from the subproblems. v = {0.356612872, -2.474259932}

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