How do you write the prime factorization of #-7c^2#?

1 Answer
Feb 20, 2017

#-7xxcxxc#
[Assuming c is prime]

Explanation:

Expression #= -7c^2#

We are asked to find the prime factors.

A few things to do first:

(i) ignore the negative sign
(ii) Realise that 7 is prime
(iii) Assume #c# is prime

Then Expression #=7xxcxxc xx(-1)#

Hence: The prime factors of Expression are: #-7xxcxxc#
[Assuming c is prime]