(4n^2+5)-(-2n^2+2n-4)=

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Solution for (4n^2+5)-(-2n^2+2n-4)= equation:


Simplifying
(4n2 + 5) + -1(-2n2 + 2n + -4) = 0

Reorder the terms:
(5 + 4n2) + -1(-2n2 + 2n + -4) = 0

Remove parenthesis around (5 + 4n2)
5 + 4n2 + -1(-2n2 + 2n + -4) = 0

Reorder the terms:
5 + 4n2 + -1(-4 + 2n + -2n2) = 0
5 + 4n2 + (-4 * -1 + 2n * -1 + -2n2 * -1) = 0
5 + 4n2 + (4 + -2n + 2n2) = 0

Reorder the terms:
5 + 4 + -2n + 4n2 + 2n2 = 0

Combine like terms: 5 + 4 = 9
9 + -2n + 4n2 + 2n2 = 0

Combine like terms: 4n2 + 2n2 = 6n2
9 + -2n + 6n2 = 0

Solving
9 + -2n + 6n2 = 0

Solving for variable 'n'.

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

Divide each side by '6'.
1.5 + -0.3333333333n + n2 = 0

Move the constant term to the right:

Add '-1.5' to each side of the equation.
1.5 + -0.3333333333n + -1.5 + n2 = 0 + -1.5

Reorder the terms:
1.5 + -1.5 + -0.3333333333n + n2 = 0 + -1.5

Combine like terms: 1.5 + -1.5 = 0.0
0.0 + -0.3333333333n + n2 = 0 + -1.5
-0.3333333333n + n2 = 0 + -1.5

Combine like terms: 0 + -1.5 = -1.5
-0.3333333333n + n2 = -1.5

The n term is -0.3333333333n.  Take half its coefficient (-0.1666666667).
Square it (0.02777777779) and add it to both sides.

Add '0.02777777779' to each side of the equation.
-0.3333333333n + 0.02777777779 + n2 = -1.5 + 0.02777777779

Reorder the terms:
0.02777777779 + -0.3333333333n + n2 = -1.5 + 0.02777777779

Combine like terms: -1.5 + 0.02777777779 = -1.47222222221
0.02777777779 + -0.3333333333n + n2 = -1.47222222221

Factor a perfect square on the left side:
(n + -0.1666666667)(n + -0.1666666667) = -1.47222222221

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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