f(x)=x^2+(200-x)2

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Solution for f(x)=x^2+(200-x)2 equation: 


Simplifying
f(x) = x2 + (200 + -1x) * 2

Multiply f * x
fx = x2 + (200 + -1x) * 2

Reorder the terms for easier multiplication:
fx = x2 + 2(200 + -1x)
fx = x2 + (200 * 2 + -1x * 2)
fx = x2 + (400 + -2x)

Reorder the terms:
fx = 400 + -2x + x2

Solving
fx = 400 + -2x + x2

Solving for variable 'f'.

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

Divide each side by 'x'.
f = 400x-1 + -2 + x

Simplifying
f = 400x-1 + -2 + x

Reorder the terms:
f = -2 + 400x-1 + x

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