15n^2-12n+25=

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Solution for 15n^2-12n+25= equation:


Simplifying
15n2 + -12n + 25 = 0

Reorder the terms:
25 + -12n + 15n2 = 0

Solving
25 + -12n + 15n2 = 0

Solving for variable 'n'.

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

Divide each side by '15'.
1.666666667 + -0.8n + n2 = 0

Move the constant term to the right:

Add '-1.666666667' to each side of the equation.
1.666666667 + -0.8n + -1.666666667 + n2 = 0 + -1.666666667

Reorder the terms:
1.666666667 + -1.666666667 + -0.8n + n2 = 0 + -1.666666667

Combine like terms: 1.666666667 + -1.666666667 = 0.000000000
0.000000000 + -0.8n + n2 = 0 + -1.666666667
-0.8n + n2 = 0 + -1.666666667

Combine like terms: 0 + -1.666666667 = -1.666666667
-0.8n + n2 = -1.666666667

The n term is -0.8n.  Take half its coefficient (-0.4).
Square it (0.16) and add it to both sides.

Add '0.16' to each side of the equation.
-0.8n + 0.16 + n2 = -1.666666667 + 0.16

Reorder the terms:
0.16 + -0.8n + n2 = -1.666666667 + 0.16

Combine like terms: -1.666666667 + 0.16 = -1.506666667
0.16 + -0.8n + n2 = -1.506666667

Factor a perfect square on the left side:
(n + -0.4)(n + -0.4) = -1.506666667

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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