How do you evaluate the expression #2(8-4)^2-10-:2#?

1 Answer
Nov 23, 2016

#27#

Explanation:

There are 2 terms - work out each one separately.
Brackets, powers,the multiply and divide.

Add and subtract in the last line.

#2(color(red)(8-4))^2 -color(blue)(10div2)#

=#2(color(red)(4^2)) -color(blue)(5)#

=#color(red)(2xx16) -color(blue)(5)#

=#color(red)(32) -color(blue)(5)#

=#27#