Find the difference between the given expressions — task. Mathematics State Board, Class 10.

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Subtract:

\frac{6 + (2 z - 4) (z + 3)}{z - 10}

and

\frac{2 z^{2} + 2 z - 12}{z - 10}

Answer:

\frac{6 + (2 z - 4) (z + 3)}{z - 10}

\(-\)

\frac{2 z^{2} + 2 z - 12}{z - 10}

\(=\)

\frac{i}{i i i}

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15. Find the difference between the given expressions