Number Systems & Polynomials

Factoring by Grouping

Split a four-term polynomial into two pairs, factor each, and pull out what they share.

Factoring Perfect Cubes

Recognizing the hidden cube and applying the sum and difference formulas.

Factoring Review — GCF and Trinomials

Breaking polynomials apart into the factors that built them.

Operations with Functions

You can add, subtract, multiply, and divide functions the same way you do with expressions.

Using Structure to Factor

When an expression hides a simpler shape, substitution reveals it.