If f(x) =x^3 - 6x^2 - 25x - 18 and f(-1) = 0, then find all of the zeros f(x) algebraically

Write the expression as a constant , a single trigonometric function, or a power of a trigonometric function. sin x cos x/ tan x

Sarah used her calculator to find sin 125 degrees. she wrote down sin sin125 degrees.57. how could sarah recognize that her answer is incorrect?

Over which interval is the graph of f(x) = x2 + 5x + 6 increasing?