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Find the roots of $\frac{u+2+\sqrt{u^2-4}}{u+2-\sqrt{u^2-4}}+\frac{u+2-\sqrt{u^2-4}}{u+2\sqrt{u^2-4}}$

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 Solution

 Videos

Polynomial special products: difference of squares | Algebra 2 | Khan Academy

https://www.youtube.com/watch?v=uNweU6I4Icw

Algebra 2 - Find the solutions of the trinomial when it is not solved for zero x^2 = -x^2 + 50

https://www.youtube.com/watch?v=z2WuLEvteCw

Algebra 2 - Solving an equation by using the square root property - Math help (y-4)^2 + 7 = 0

https://www.youtube.com/watch?v=LAi0djUhPh4

Algebra 2 - Finding the solutions to a binomial squared - Online Tutor (5x+3)^2 = 4

https://www.youtube.com/watch?v=VsXTe3eOhM0

Algebra 2 - How to multiply two complex numbers using special products, (5 - 3i)(5 + 3i)

https://www.youtube.com/watch?v=PL7yI0hc2J0

Algebra 2 - How to find all the roots of a polynomial by factoring, y = 6x^3 + x^2 - x

https://www.youtube.com/watch?v=Qi20wNdicXQ

 Main Topic: Special Products

Special products is the multiplication of algebraic expressions that follow certain rules and patterns, so you can predict the result without necessarily doing the multiplication.

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