Simplify \(1+4\) to \(5\).
\[4-\frac{5}{{0}^{1}}\times 5\]
Use Rule of One: \({x}^{1}=x\).
\[4-\frac{5}{0}\times 5\]
Simplify \(\frac{5}{0}\) to \(\infty \).
\[4-\infty \times 5\]
Simplify \(\infty \times 5\) to \(\infty \).
\[4-\infty \]
Simplify.
\[-\infty \]
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