Question

Сократите дроби 5x-5y15= и x2-9x-3=

Answer 1

$frac{5x-5y}{15}= frac{5(x-y)}{15}= frac{x-y}{3}$ 

$frac{ x^{2} -9}{x-3} = frac{(x-3)(x+3)}{x-3} = x+3$

Answer 2

5x-5y/15=5(x-y)/15=x-y/3
x2-9/x-3=2x-9/x-3