How do you solve this ?

(-a) 5 + (-a)3 = ???

The book says the result is 8 but how do you get to that ??

(3 and 5 a 'to the power'.shoud be above right bracket but dont know how to write it)

Results 1 to 4 of 4

- December 29th 2007, 11:07 AM #1MoondancerGuest

- December 29th 2007, 11:14 AM #2

- December 29th 2007, 11:14 AM #3

- December 29th 2007, 11:23 AM #4