91Ó°ÊÓ

The difference of squares $y^4-625$can be factored as $\left(y^2-25\right)\left(y^2+25\right).$But it is not completely factored. What more must be done to completely factor it?

Explain how you solve a quadratic equation. How many answers do you expect to get for a quadratic equation?

The Product of two Consecutive numbers is 462, find the numbers.

What is the GCF of $y^4,y^5,\mathrm{and}{y}^{10}$? Write a general rule that tells you how to find the GCF of$y^a,y^b,\mathrm{and}{y}^c$.

Find the GCF of 48 and 80.

Factor completely:$x^3+36x$.

Solve:

$x^2-x-12=0$

Solve:

$2d^2-5d=3$

Factor:$y^2-y-20$

Factor completely:$5x^3+15x^2-20x$