algebra 2
posted by danni on .
Write a polynomial function that has the zeros 2, 2, and 1 and has a leading coefficient of 1. Then graph the function to show that 2, 2, and 1 are solutions.

Multiply this out:
(x2)(x+2)(x+1) = (x^24)(x+1)
= x^3 +x^2 4x 4