(7w^2-4w-1)+(5w^2-3w+6)=

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Solution for (7w^2-4w-1)+(5w^2-3w+6)= equation:


Simplifying
(7w2 + -4w + -1) + (5w2 + -3w + 6) = 0

Reorder the terms:
(-1 + -4w + 7w2) + (5w2 + -3w + 6) = 0

Remove parenthesis around (-1 + -4w + 7w2)
-1 + -4w + 7w2 + (5w2 + -3w + 6) = 0

Reorder the terms:
-1 + -4w + 7w2 + (6 + -3w + 5w2) = 0

Remove parenthesis around (6 + -3w + 5w2)
-1 + -4w + 7w2 + 6 + -3w + 5w2 = 0

Reorder the terms:
-1 + 6 + -4w + -3w + 7w2 + 5w2 = 0

Combine like terms: -1 + 6 = 5
5 + -4w + -3w + 7w2 + 5w2 = 0

Combine like terms: -4w + -3w = -7w
5 + -7w + 7w2 + 5w2 = 0

Combine like terms: 7w2 + 5w2 = 12w2
5 + -7w + 12w2 = 0

Solving
5 + -7w + 12w2 = 0

Solving for variable 'w'.

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

Divide each side by '12'.
0.4166666667 + -0.5833333333w + w2 = 0

Move the constant term to the right:

Add '-0.4166666667' to each side of the equation.
0.4166666667 + -0.5833333333w + -0.4166666667 + w2 = 0 + -0.4166666667

Reorder the terms:
0.4166666667 + -0.4166666667 + -0.5833333333w + w2 = 0 + -0.4166666667

Combine like terms: 0.4166666667 + -0.4166666667 = 0.0000000000
0.0000000000 + -0.5833333333w + w2 = 0 + -0.4166666667
-0.5833333333w + w2 = 0 + -0.4166666667

Combine like terms: 0 + -0.4166666667 = -0.4166666667
-0.5833333333w + w2 = -0.4166666667

The w term is -0.5833333333w.  Take half its coefficient (-0.2916666667).
Square it (0.08506944446) and add it to both sides.

Add '0.08506944446' to each side of the equation.
-0.5833333333w + 0.08506944446 + w2 = -0.4166666667 + 0.08506944446

Reorder the terms:
0.08506944446 + -0.5833333333w + w2 = -0.4166666667 + 0.08506944446

Combine like terms: -0.4166666667 + 0.08506944446 = -0.33159722224
0.08506944446 + -0.5833333333w + w2 = -0.33159722224

Factor a perfect square on the left side:
(w + -0.2916666667)(w + -0.2916666667) = -0.33159722224

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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