Have half the class solve with the parentheses around 14 2 5 and the other half with 14 2 5. Add parentheses to make the problem 5 6 x 2 and model solving inside the parentheses first. Placing 2x directly in front of the parentheses means to multiply the expression in the parentheses by 2x.
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Solve addition and subtraction last after parentheses exponents roots and multiplyingdividing. We know that multiplication comes before addition and subtraction so youll need to start by multiplying 5 by 6 to get 30. In the process of removing parentheses we have already noted that all terms in the parentheses are affected by the sign or number preceding the parentheses. The primary use of parentheses is to group numbers together in mathematical.