How do you simplify #3^2(2^2-1^2)+4^2#?
1 Answer
Dec 27, 2016
Explanation:
When evaluating expressions with
#color(blue)"mixed operations"# there is a particular order that must be followed.Using the order as set out in the acronym PEMDAS [Parenthesis(brackets) , Exponents(powers), Multiplication, Division, Addition ,Subtraction]
#rArr9(4-1)+16=9xx3+16larr" exponents/bracket"#
#=27+16larr" multiplication"#
#=43larr" addition"#