Question

plzzz solve 14 and 16 in a page plzzz

Answer 1

14)
(3a+5b)²-4c²
=(3a+5b)²-(2c)²
=(3a+5b-2c)(3a+5b+2c)

=========================================
16)
4a²-9b²-2a-3b
= (2a)²-(3b)²-1(2a+3b)
=(2a-3b)(2a+3b)-1(2a+3b)
=(2a+3b)(2a-3b-1)

I hope this will be helpful to you.
Regards

Answer 2

Hope it's helpful
Is it correct