3g-4g+2-7g^2+5g-1=

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Solution for 3g-4g+2-7g^2+5g-1= equation:


Simplifying
3g + -4g + 2 + -7g2 + 5g + -1 = 0

Reorder the terms:
2 + -1 + 3g + -4g + 5g + -7g2 = 0

Combine like terms: 2 + -1 = 1
1 + 3g + -4g + 5g + -7g2 = 0

Combine like terms: 3g + -4g = -1g
1 + -1g + 5g + -7g2 = 0

Combine like terms: -1g + 5g = 4g
1 + 4g + -7g2 = 0

Solving
1 + 4g + -7g2 = 0

Solving for variable 'g'.

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

Divide each side by '-7'.
-0.1428571429 + -0.5714285714g + g2 = 0

Move the constant term to the right:

Add '0.1428571429' to each side of the equation.
-0.1428571429 + -0.5714285714g + 0.1428571429 + g2 = 0 + 0.1428571429

Reorder the terms:
-0.1428571429 + 0.1428571429 + -0.5714285714g + g2 = 0 + 0.1428571429

Combine like terms: -0.1428571429 + 0.1428571429 = 0.0000000000
0.0000000000 + -0.5714285714g + g2 = 0 + 0.1428571429
-0.5714285714g + g2 = 0 + 0.1428571429

Combine like terms: 0 + 0.1428571429 = 0.1428571429
-0.5714285714g + g2 = 0.1428571429

The g term is -0.5714285714g.  Take half its coefficient (-0.2857142857).
Square it (0.08163265305) and add it to both sides.

Add '0.08163265305' to each side of the equation.
-0.5714285714g + 0.08163265305 + g2 = 0.1428571429 + 0.08163265305

Reorder the terms:
0.08163265305 + -0.5714285714g + g2 = 0.1428571429 + 0.08163265305

Combine like terms: 0.1428571429 + 0.08163265305 = 0.22448979595
0.08163265305 + -0.5714285714g + g2 = 0.22448979595

Factor a perfect square on the left side:
(g + -0.2857142857)(g + -0.2857142857) = 0.22448979595

Calculate the square root of the right side: 0.473803542

Break this problem into two subproblems by setting 
(g + -0.2857142857) equal to 0.473803542 and -0.473803542.

Subproblem 1

g + -0.2857142857 = 0.473803542 Simplifying g + -0.2857142857 = 0.473803542 Reorder the terms: -0.2857142857 + g = 0.473803542 Solving -0.2857142857 + g = 0.473803542 Solving for variable 'g'. Move all terms containing g to the left, all other terms to the right. Add '0.2857142857' to each side of the equation. -0.2857142857 + 0.2857142857 + g = 0.473803542 + 0.2857142857 Combine like terms: -0.2857142857 + 0.2857142857 = 0.0000000000 0.0000000000 + g = 0.473803542 + 0.2857142857 g = 0.473803542 + 0.2857142857 Combine like terms: 0.473803542 + 0.2857142857 = 0.7595178277 g = 0.7595178277 Simplifying g = 0.7595178277

Subproblem 2

g + -0.2857142857 = -0.473803542 Simplifying g + -0.2857142857 = -0.473803542 Reorder the terms: -0.2857142857 + g = -0.473803542 Solving -0.2857142857 + g = -0.473803542 Solving for variable 'g'. Move all terms containing g to the left, all other terms to the right. Add '0.2857142857' to each side of the equation. -0.2857142857 + 0.2857142857 + g = -0.473803542 + 0.2857142857 Combine like terms: -0.2857142857 + 0.2857142857 = 0.0000000000 0.0000000000 + g = -0.473803542 + 0.2857142857 g = -0.473803542 + 0.2857142857 Combine like terms: -0.473803542 + 0.2857142857 = -0.1880892563 g = -0.1880892563 Simplifying g = -0.1880892563

Solution

The solution to the problem is based on the solutions from the subproblems. g = {0.7595178277, -0.1880892563}

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