d(z)=z^2-z+7

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Solution for d(z)=z^2-z+7 equation: 


Simplifying
d(z) = z2 + -1z + 7

Multiply d * z
dz = z2 + -1z + 7

Reorder the terms:
dz = 7 + -1z + z2

Solving
dz = 7 + -1z + z2

Solving for variable 'd'.

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

Divide each side by 'z'.
d = 7z-1 + -1 + z

Simplifying
d = 7z-1 + -1 + z

Reorder the terms:
d = -1 + 7z-1 + z

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