-x^2+16x+c=0

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Solution for -x^2+16x+c=0 equation: 


Simplifying
-1x2 + 16x + c = 0

Reorder the terms:
c + 16x + -1x2 = 0

Solving
c + 16x + -1x2 = 0

Solving for variable 'c'.

Move all terms containing c to the left, all other terms to the right.

Add '-16x' to each side of the equation.
c + 16x + -16x + -1x2 = 0 + -16x

Combine like terms: 16x + -16x = 0
c + 0 + -1x2 = 0 + -16x
c + -1x2 = 0 + -16x
Remove the zero:
c + -1x2 = -16x

Add 'x2' to each side of the equation.
c + -1x2 + x2 = -16x + x2

Combine like terms: -1x2 + x2 = 0
c + 0 = -16x + x2
c = -16x + x2

Simplifying
c = -16x + x2

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