how do you simplify this expression 9•(7-4)^2+9
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The solution of the expression 9•(7-4)²+9 is: 90.
Explanation:
1. We need to solve the operation between the parentheses:
9•(7-4)²+9=
9•(3)²+9
2. We solve the potentiation:
9•(3)²+9=
9*9+9=
3. We solve the multiplication:
9*9+9=
81+9
4. Finally we solve the addition:
81+9=
90
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