Anyone know how to find roots for function r(x) = x^8 - 17x^4 + 16

(^ representing ‘to power of’ by the way)

What is the equation and solution for the sentence? the sum of a number and thirty-one is one hundred thirteen. write the equation as n-31=113 and subtract 31 from both sides. the answer is 82. write the equation as n+31=113 and subtract 31 from both sides. the answer is 82. write the equation as n+31=113 and add 31 to both sides. the answer is 144. write the equation as n-31=113 and add 31 to both sides. the answer is 144.

Describe the 2 algebraic methods you can use to find the zeros of the function f(t)=-16t^2+400.

Wrote and expression for the difference of p and 4