Evaluate
\frac{5}{4}=1.25
Factor
\frac{5}{2 ^ {2}} = 1\frac{1}{4} = 1.25
Quiz
Polynomial
5 problems similar to:
\frac { z ^ { 2 } - 25 } { 16 z + 80 } \div \frac { z - 5 } { 20 }
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\frac{\left(z^{2}-25\right)\times 20}{\left(16z+80\right)\left(z-5\right)}
Divide \frac{z^{2}-25}{16z+80} by \frac{z-5}{20} by multiplying \frac{z^{2}-25}{16z+80} by the reciprocal of \frac{z-5}{20}.
\frac{20\left(z-5\right)\left(z+5\right)}{16\left(z-5\right)\left(z+5\right)}
Factor the expressions that are not already factored.
\frac{5}{4}
Cancel out 4\left(z-5\right)\left(z+5\right) in both numerator and denominator.
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