Question: how to find the zeros of a cubic function?
Answer: Start by using your first factor, 1. Substitute "1" for each "x" in the equation: (1)3 - 4(1)2 - 7(1) + 10 = 0. This gives you: 1 - 4 - 7 + 10 = 0. Because 0 = 0 is a true statement, you know that x = 1 is a solution.