Question

Сократите дробь 9b^2-16/9b^2-24b+16

Answer 1

9b²-16/9b²-24b+16 =(3b-4)(3b+4)/(3b-4)(3b-4)=(3b+4)/(3b-4)

Answer 2

(9b² - 16)/(9b² - 24b + 16) = [(3b - 4)(3b + 4)]  /[(3b -4)(3b - 4)] = (3b + 4)/(3b - 4)