How do you find the degree of a polynomial

Lets look at x^2+8x-3

the degree of the polynomial is the highest power of the exponent of  the placeholders

x^2, power=2
8x, power=1
-3, power=0 (-3x^0=-3)

so if you had
x^89+x^8-8x-2^100
degree is 89 since that is highest power of the placeholders

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