For this question you can say:(we factor it out) 5^23 - 5^21 = 5^21(5^2 - 1) = 5^21(25 -1)= 5^21(24) so 5^21(24) is the answer :)))) i hope this is helpful have a nice day
Hey there I see you need help well I am here to do just that so for this question you do 5^23 - 5^21 = 5^21(5^2 - 1) = 5^21(25 -1)= 5^21(24) so 5^21(24) is the answer i hope this helps