-Q^2+16Q-275=0

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Solution for -Q^2+16Q-275=0 equation:


Simplifying
-1Q2 + 16Q + -275 = 0

Reorder the terms:
-275 + 16Q + -1Q2 = 0

Solving
-275 + 16Q + -1Q2 = 0

Solving for variable 'Q'.

Begin completing the square.  Divide all terms by
-1 the coefficient of the squared term: 

Divide each side by '-1'.
275 + -16Q + Q2 = 0

Move the constant term to the right:

Add '-275' to each side of the equation.
275 + -16Q + -275 + Q2 = 0 + -275

Reorder the terms:
275 + -275 + -16Q + Q2 = 0 + -275

Combine like terms: 275 + -275 = 0
0 + -16Q + Q2 = 0 + -275
-16Q + Q2 = 0 + -275

Combine like terms: 0 + -275 = -275
-16Q + Q2 = -275

The Q term is -16Q.  Take half its coefficient (-8).
Square it (64) and add it to both sides.

Add '64' to each side of the equation.
-16Q + 64 + Q2 = -275 + 64

Reorder the terms:
64 + -16Q + Q2 = -275 + 64

Combine like terms: -275 + 64 = -211
64 + -16Q + Q2 = -211

Factor a perfect square on the left side:
(Q + -8)(Q + -8) = -211

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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