Know and apply the Remainder Theorem: For a polynomial π±(πΉ) and a number π’, the remainder on division by πΉ β π’ is π±(π’), so π±(π’) = 0 if and only if (πΉ β π’) is a factor of π±(πΉ).

Arithmetic with Polynomials and Rational Expressions

Understand the relationship between zeros and factors of polynomials