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3(10)-2

Solution

3 (10) - 2

28

Solution steps

3 (10) - 2

Follow the PEMDAS order of operations

Multiply and divide (left to right)

3 (10) : 30

3 (10)

Apply rule:

(a) = a

(10) = 10

= 3 \cdot 10

Multiply the numbers:

3 \cdot 10 = 30

= 30

= 30 - 2

Add and subtract (left to right)

30 - 2 : 28

30 - 2

30 - 2 = 28

= 28

= 28

3 (- 1)^{2} - 4 (- 1) - 4

3^{2} + 5 \times 2 - 9 - 12 \div 3 + 2

3 (- 2)^{2} - 2 (- 2) + 1

(8 + 3 \times 2) - (4 \times (5 + 3) - (- 12 - 3) + 125)

(- 3)^{4} - 4 (- 3)^{2}