Unit 8 Lesson 1

Open Ended

How would we solve this equation?

$$\left(x-y\right)\left(x+y\right)$$  

Open Ended

How would we solve this equation?

$$1-2x^2+x^4$$  

Open Ended

What is the common denominator?

$$\frac{2}{1-\cos x}+\frac{2}{1+\cos x}$$