Discussion Forum



1)

186 x 186 + 159 x 159 - 2 x 186 x 159 = ?


A) 729

B) 1039

C) 2019

D) 7029

Answer:

Option A

Explanation:

The order of operations is:
Parentheses means brackets()
Exponents (and Roots) means power
Multiplication & Division
Addition & Subtraction

(186 x 186) + (159 x 159) - (2 x 186 x 159) = 729