Mathematics (2019) Grade(s): 09-12 - Algebra I with Probability
MA19.A1.5
Use the structure of an expression to identify ways to rewrite it.
Use the structure of an expression to identify ways to rewrite it.
COS Examples
Example: See $x^4 - y^4$ as $(x^2)^2 - (y^2)^2$, thus recognizing it as a difference of squares that can be factored as $(x^2 - y^2)(x^2 + y^2)$.
