91Ó°ÊÓ

In the following exercises, factor completely.

${\left(y-3\right)}^3-64y^3$

Why was it important to practice using the binomial squares pattern in the chapter on multiplying polynomials?

How do you recognize the binomial squares pattern?

Explain why $n^2+25≠{(n+5)}^2$. Use algebra, words, or pictures.

Maribel factored $y^2-30y+81$as ${(y-9)}^2$. Was she right or wrong? How do you know?

In the following exercises, factor completely.$2n^2+13n-7$

In the following exercises, factor completely.

$a^5+9a^3$

In the following exercises, factor completely.

$75m^3+12m$

In the following exercises, factor completely.

$121r^2-s^2$

In the following exercises, factor completely.

$49b^2-36a^2$