# How do you simplify #3^2(2^2-1^2)+4^2#?

Using the order as set out in the acronym PEMDAS [Parenthesis(brackets) , Exponents(powers), Multiplication, Division, Addition ,Subtraction]

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To simplify (3^2(2^2-1^2)+4^2), you follow the order of operations, which is parentheses, exponents, multiplication and division (from left to right), and addition and subtraction (from left to right).

(3^2 = 9) (2^2 = 4) (1^2 = 1) (4^2 = 16)

(3^2(2^2-1^2)+4^2 = 9(4-1)+16)

(= 9(3)+16)

(= 27+16)

(= 43)

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