Question

Using the identity (a - b)2 = 4* – 2ab +6, simplify the following:
(1) (3x - 5y)
(ii) 47​

Answer 1

Step-by-step explanation:

1) (3x - 5y)^2 = 3x^2 - 2(3x)(5y) + 5y^2

= 9x^2 - 30xy + 25y^2

Hope it helps you the second question I can't understand so , please MARK as brainlist answer.