ALGEBRA H1

 

Simplify the expression r² - t²/ (r + t)

 

Solution

 

from difference of two squares p² - q² = (p - q)(p + q)

 

= r² - t²/ (r + t)

 

= (r + t)(r - t)

      r + t

 

= (r + t)(r - t)

      r + t

 

=  r - t    answer

      

TRY THIS.........................

 

 

Simplify the expression 

 

w² - y²/ (w + y)