Factorise third-degree polynomials. Apply the Remainder and Factor Theorems to polynomials of degree at most 3 (no proofs required).
Learn the concepts:
Well, Grade 12s, by now you've probably noticed that we don't spend much time going over old school algebra. This means you need to revise this on your own. Remember, you need to go over factorising, products, exponents, fractions, functions, etc, etc. Go look at your textbooks from Grade 10 and 11 and look at the sections in this website. Revise, revise, revise!