Question

Write in Standard form of the Quadratic Equation:
i(t)=t^2-8t

Answer 1

i(t)=(t-4)^2-16

Answer 2

complete the perfect square now... when i(t)=84

Answer 3

(t-4)^2=84+16
(t-4)^2=100

is that enough?

Answer 4

t^2 - 8t - i(t) = 0 (might be)