SOLUTION: Factor completely. 36b^2 - 121

Algebra.Com
Question 132999: Factor completely.
36b^2 - 121

Answer by jim_thompson5910(35256)   (Show Source): You can put this solution on YOUR website!
Start with the given expression

Rewrite as

Rewrite as


Now use the difference of squares. Remember, the difference of squares formula is where in this case and

Plug in and



-----------------------------------

Answer:


So the expression



factors to



Notice that if you foil the factored expression, you get the original expression. This verifies our answer.

RELATED QUESTIONS

Factor completely: 9a^2 – 36ab +... (answered by nerdybill)
Completely factor the following expression... (answered by sofiyac)
factor completely 4r^2 -... (answered by belle3833)
Factor completely. 64r^2-121 Thank... (answered by jim_thompson5910)
Factor completely 36x2 –... (answered by vleith)
factor the polynomial completely 9a^2c-36b^2c (answered by stanbon)
Factor completely:... (answered by Gogonati)
I have a question Factor completely... (answered by richard1234)
How would you factor the expression... (answered by checkley71,bucky)