y=4x^5+5^x

To prepare for the university exam, let's simplify and manipulate the given equation.

Equation: y = 4x^5 + 5^x

1. Simplify the exponential term: 5^x cannot be simplified further without more information.

2. Simplify the polynomial term: The polynomial term is already fully simplified.

Therefore, the equation y = 4x^5 + 5^x cannot be simplified further unless additional information or mathematical operations are provided.