7n-2=7n^2-5n+6

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Solution for 7n-2=7n^2-5n+6 equation:


Simplifying
7n + -2 = 7n2 + -5n + 6

Reorder the terms:
-2 + 7n = 7n2 + -5n + 6

Reorder the terms:
-2 + 7n = 6 + -5n + 7n2

Solving
-2 + 7n = 6 + -5n + 7n2

Solving for variable 'n'.

Reorder the terms:
-2 + -6 + 7n + 5n + -7n2 = 6 + -5n + 7n2 + -6 + 5n + -7n2

Combine like terms: -2 + -6 = -8
-8 + 7n + 5n + -7n2 = 6 + -5n + 7n2 + -6 + 5n + -7n2

Combine like terms: 7n + 5n = 12n
-8 + 12n + -7n2 = 6 + -5n + 7n2 + -6 + 5n + -7n2

Reorder the terms:
-8 + 12n + -7n2 = 6 + -6 + -5n + 5n + 7n2 + -7n2

Combine like terms: 6 + -6 = 0
-8 + 12n + -7n2 = 0 + -5n + 5n + 7n2 + -7n2
-8 + 12n + -7n2 = -5n + 5n + 7n2 + -7n2

Combine like terms: -5n + 5n = 0
-8 + 12n + -7n2 = 0 + 7n2 + -7n2
-8 + 12n + -7n2 = 7n2 + -7n2

Combine like terms: 7n2 + -7n2 = 0
-8 + 12n + -7n2 = 0

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

Divide each side by '-7'.
1.142857143 + -1.714285714n + n2 = 0

Move the constant term to the right:

Add '-1.142857143' to each side of the equation.
1.142857143 + -1.714285714n + -1.142857143 + n2 = 0 + -1.142857143

Reorder the terms:
1.142857143 + -1.142857143 + -1.714285714n + n2 = 0 + -1.142857143

Combine like terms: 1.142857143 + -1.142857143 = 0.000000000
0.000000000 + -1.714285714n + n2 = 0 + -1.142857143
-1.714285714n + n2 = 0 + -1.142857143

Combine like terms: 0 + -1.142857143 = -1.142857143
-1.714285714n + n2 = -1.142857143

The n term is -1.714285714n.  Take half its coefficient (-0.857142857).
Square it (0.7346938773) and add it to both sides.

Add '0.7346938773' to each side of the equation.
-1.714285714n + 0.7346938773 + n2 = -1.142857143 + 0.7346938773

Reorder the terms:
0.7346938773 + -1.714285714n + n2 = -1.142857143 + 0.7346938773

Combine like terms: -1.142857143 + 0.7346938773 = -0.4081632657
0.7346938773 + -1.714285714n + n2 = -0.4081632657

Factor a perfect square on the left side:
(n + -0.857142857)(n + -0.857142857) = -0.4081632657

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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