Question

4a^2 + b^2 +25c^2 - 4ab - 10bc +20ca factorize

Answer 1

Answer: (2a-b+5c)^2

Step-by-step explanation:

4a^2 + b^2 + 25c^2 - 4ab - 10bc + 20ca

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

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

Answer 2

this is your answer
pls mark it brainlist