1.7g(g-.5)-6.4(-g+2)=

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Solution for 1.7g(g-.5)-6.4(-g+2)= equation:


Simplifying
1.7g(g + -0.5) + -6.4(-1g + 2) = 0

Reorder the terms:
1.7g(-0.5 + g) + -6.4(-1g + 2) = 0
(-0.5 * 1.7g + g * 1.7g) + -6.4(-1g + 2) = 0
(-0.85g + 1.7g2) + -6.4(-1g + 2) = 0

Reorder the terms:
-0.85g + 1.7g2 + -6.4(2 + -1g) = 0
-0.85g + 1.7g2 + (2 * -6.4 + -1g * -6.4) = 0
-0.85g + 1.7g2 + (-12.8 + 6.4g) = 0

Reorder the terms:
-12.8 + -0.85g + 6.4g + 1.7g2 = 0

Combine like terms: -0.85g + 6.4g = 5.55g
-12.8 + 5.55g + 1.7g2 = 0

Solving
-12.8 + 5.55g + 1.7g2 = 0

Solving for variable 'g'.

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

Divide each side by '1.7'.
-7.529411765 + 3.264705882g + g2 = 0

Move the constant term to the right:

Add '7.529411765' to each side of the equation.
-7.529411765 + 3.264705882g + 7.529411765 + g2 = 0 + 7.529411765

Reorder the terms:
-7.529411765 + 7.529411765 + 3.264705882g + g2 = 0 + 7.529411765

Combine like terms: -7.529411765 + 7.529411765 = 0.000000000
0.000000000 + 3.264705882g + g2 = 0 + 7.529411765
3.264705882g + g2 = 0 + 7.529411765

Combine like terms: 0 + 7.529411765 = 7.529411765
3.264705882g + g2 = 7.529411765

The g term is 3.264705882g.  Take half its coefficient (1.632352941).
Square it (2.664576124) and add it to both sides.

Add '2.664576124' to each side of the equation.
3.264705882g + 2.664576124 + g2 = 7.529411765 + 2.664576124

Reorder the terms:
2.664576124 + 3.264705882g + g2 = 7.529411765 + 2.664576124

Combine like terms: 7.529411765 + 2.664576124 = 10.193987889
2.664576124 + 3.264705882g + g2 = 10.193987889

Factor a perfect square on the left side:
(g + 1.632352941)(g + 1.632352941) = 10.193987889

Calculate the square root of the right side: 3.192802513

Break this problem into two subproblems by setting 
(g + 1.632352941) equal to 3.192802513 and -3.192802513.

Subproblem 1

g + 1.632352941 = 3.192802513 Simplifying g + 1.632352941 = 3.192802513 Reorder the terms: 1.632352941 + g = 3.192802513 Solving 1.632352941 + g = 3.192802513 Solving for variable 'g'. Move all terms containing g to the left, all other terms to the right. Add '-1.632352941' to each side of the equation. 1.632352941 + -1.632352941 + g = 3.192802513 + -1.632352941 Combine like terms: 1.632352941 + -1.632352941 = 0.000000000 0.000000000 + g = 3.192802513 + -1.632352941 g = 3.192802513 + -1.632352941 Combine like terms: 3.192802513 + -1.632352941 = 1.560449572 g = 1.560449572 Simplifying g = 1.560449572

Subproblem 2

g + 1.632352941 = -3.192802513 Simplifying g + 1.632352941 = -3.192802513 Reorder the terms: 1.632352941 + g = -3.192802513 Solving 1.632352941 + g = -3.192802513 Solving for variable 'g'. Move all terms containing g to the left, all other terms to the right. Add '-1.632352941' to each side of the equation. 1.632352941 + -1.632352941 + g = -3.192802513 + -1.632352941 Combine like terms: 1.632352941 + -1.632352941 = 0.000000000 0.000000000 + g = -3.192802513 + -1.632352941 g = -3.192802513 + -1.632352941 Combine like terms: -3.192802513 + -1.632352941 = -4.825155454 g = -4.825155454 Simplifying g = -4.825155454

Solution

The solution to the problem is based on the solutions from the subproblems. g = {1.560449572, -4.825155454}

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