Multiply and simplify.
(a - 2b) (2a - b) (a + 2b)

Which matrix can be multiplied to the left of a vector matrix to get a new vector matrix ?

Which system of linear inequalites is represented by the graph?

Which function families have maximums and minimums? 1.)linear absolute value functions and exponential functions 2.) linear absolute value functions and quadratic functions 3.) linear absolute value functions and linear functions 4.) linear absolute value functions and constant functions