-9w^2=-(10w-7)

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Solution for -9w^2=-(10w-7) equation:


Simplifying
-9w2 = -1(10w + -7)

Reorder the terms:
-9w2 = -1(-7 + 10w)
-9w2 = (-7 * -1 + 10w * -1)
-9w2 = (7 + -10w)

Solving
-9w2 = 7 + -10w

Solving for variable 'w'.

Reorder the terms:
-7 + 10w + -9w2 = 7 + -10w + -7 + 10w

Reorder the terms:
-7 + 10w + -9w2 = 7 + -7 + -10w + 10w

Combine like terms: 7 + -7 = 0
-7 + 10w + -9w2 = 0 + -10w + 10w
-7 + 10w + -9w2 = -10w + 10w

Combine like terms: -10w + 10w = 0
-7 + 10w + -9w2 = 0

Begin completing the square.  Divide all terms by
-9 the coefficient of the squared term: 

Divide each side by '-9'.
0.7777777778 + -1.111111111w + w2 = 0

Move the constant term to the right:

Add '-0.7777777778' to each side of the equation.
0.7777777778 + -1.111111111w + -0.7777777778 + w2 = 0 + -0.7777777778

Reorder the terms:
0.7777777778 + -0.7777777778 + -1.111111111w + w2 = 0 + -0.7777777778

Combine like terms: 0.7777777778 + -0.7777777778 = 0.0000000000
0.0000000000 + -1.111111111w + w2 = 0 + -0.7777777778
-1.111111111w + w2 = 0 + -0.7777777778

Combine like terms: 0 + -0.7777777778 = -0.7777777778
-1.111111111w + w2 = -0.7777777778

The w term is -1.111111111w.  Take half its coefficient (-0.5555555555).
Square it (0.3086419752) and add it to both sides.

Add '0.3086419752' to each side of the equation.
-1.111111111w + 0.3086419752 + w2 = -0.7777777778 + 0.3086419752

Reorder the terms:
0.3086419752 + -1.111111111w + w2 = -0.7777777778 + 0.3086419752

Combine like terms: -0.7777777778 + 0.3086419752 = -0.4691358026
0.3086419752 + -1.111111111w + w2 = -0.4691358026

Factor a perfect square on the left side:
(w + -0.5555555555)(w + -0.5555555555) = -0.4691358026

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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