What is 3(3)-2(-1)+4 ?

The solution to 3(3)-2(-1)+4 is 15

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3(3)-2(-1)+4

3 (3) - 2 (- 1) + 4

15

Solution steps

3 (3) - 2 (- 1) + 4

Follow the PEMDAS order of operations

Multiply and divide (left to right)

3 (3) : 9

3 (3)

Apply rule:

(a) = a

(3) = 3

= 3 \cdot 3

Multiply the numbers:

3 \cdot 3 = 9

= 9

= 9 - 2 (- 1) + 4

Multiply and divide (left to right)

2 (- 1) : - 2

2 (- 1)

Apply rule

a \cdot (- b) = - a \cdot b

2 (- 1) = - 2 \cdot 1 = - 2

= - 2

= 9 - (- 2) + 4

Add and subtract (left to right)

9 - (- 2) + 4 : 15

9 - (- 2) + 4

Apply rule

- (- a) = + a

- (- 2) = + 2

= 9 + 2 + 4

9 + 2 = 11

= 11 + 4

11 + 4 = 15

= 15

= 15

8^{3} \cdot 2

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

(4 \times 5) + 5

22 + 2 \div 2

- 25 - (- 8 \times 5)