(3x - 5)  (3x + 5)  = ?

Asked by madhurasanu | 7th Apr, 2019, 06:45: PM

Expert Answer:

(3x - 5)  (3x + 5)
= (3x)2 - (5)2
= 9x2 - 25            using (a + b)(a - b) = a2 - b2

Answered by Sneha shidid | 8th Apr, 2019, 10:55: AM