Question

сократите дробь x^2+2x-15/ x^2-9

Answer 1

(x^2 + 2x - 15) / x^2 - 9 = ( x - 3)(x + 5) / ( x - 3)(x + 3)= (x + 5)/ (x + 3)

Answer 2

(x-5)(x+3)/(x-3)(x+3)
x-5/x-3