
Expand


Rewrite as:

Apply law of indices


Expand



Apply negative power rule of indices

Expand



Expand

Evaluate like terms

Factor out x^2

Factor out -2


Divide by y

Split


Rationalize



Rationalize


Apply different of two squares to the denominator



Simplify


Expand

Split

Evaluate all roots




Expand

Factorize each

Factor out (r+3) in the numerator and (r + 6) in the denominator

Cancel out r - 2


Cancel out x

Expand the numerator of the 2nd fraction

Factorize

Factor out x - 7

Factor out 4 from 4x + 8

Cancel out x + 2



Factorize

Cancel out 3x


Take LCM

Expand



Rewrite as:

Express as multiplication

Express y^2 - 9 as y^2 - 3^2

Express as difference of two squares



Read more at:
brainly.com/question/4372544