f(x)=sqrt(-x^2+8x-13)

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Solution for f(x)=sqrt(-x^2+8x-13) equation: 


Simplifying
f(x) = sqrt(-1x2 + 8x + -13)

Multiply f * x
fx = sqrt(-1x2 + 8x + -13)

Reorder the terms:
fx = qrst(-13 + 8x + -1x2)
fx = (-13 * qrst + 8x * qrst + -1x2 * qrst)
fx = (-13qrst + 8qrstx + -1qrstx2)

Solving
fx = -13qrst + 8qrstx + -1qrstx2

Solving for variable 'f'.

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

Divide each side by 'x'.
f = -13qrstx-1 + 8qrst + -1qrstx

Simplifying
f = -13qrstx-1 + 8qrst + -1qrstx

Reorder the terms:
f = 8qrst + -13qrstx-1 + -1qrstx

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