SOLUTION: Factorize the binomial -1+y^2= ( ) ( ) Please explain the steps.

Algebra ->  Functions -> SOLUTION: Factorize the binomial -1+y^2= ( ) ( ) Please explain the steps.       Log On


   

Question 472768: Factorize the binomial -1+y^2= ( ) ( ) Please explain the steps.
Answer by monika_p(71) About Me  (Show Source):
You can put this solution on YOUR website!
This is example of difference of two squares a%5E2-b%5E2
Steps to solve it:
find the square roots of the perfect squares, then
one factor is their SUM (a+b)
and the other factor is the DIFFERENCE between them (a-b)
then
y%5E2-1=y%5E2-1%5E2=%28y-1%29%28y%2B1%29