Math, asked by priyangshubhat78, 1 month ago

e. 25a + 20ac - 4b2+ 8bc​

Answers

Answered by JSP2008
0

25a2-4b2+28bc-49c2

= (5a)2-(4b2-28bc +49

=(5a)²- {(2b)² - 2(2b)(7c)

= (5a)2-(2b-7c)2

= (5a-2b +7c)(5a + 2b-7

Similar questions