Question

if f(x) = x3 find the value of x f(5)-f(1)/5-1 plzzzz answer quickly

Answer 1

$ANSWER: \\\\ 5^{3}= 125 \\ 1^{3} = 1\\ Therefore,\\\\\frac{125-1}{5-1} \\\\=>\frac{124}{4}\\\\=>31$