What is 3\times (-3^2)-3\times (-3) ?

The solution to 3\times (-3^2)-3\times (-3) is -18

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3\times (-3^2)-3\times (-3)

3 \cdot (- 3^{2}) - 3 \cdot (- 3)

- 18

Solution steps

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

Follow the PEMDAS order of operations

Calculate within parentheses

(- 3^{2}) : - 9

- 3^{2}

- 3^{2} = - 9

= - 9

= 3 (- 9) - 3 (- 3)

Multiply and divide (left to right)

3 (- 9) : - 27

3 (- 9)

Apply rule

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

3 (- 9) = - 3 \cdot 9 = - 27

= - 27

= - 27 - 3 (- 3)

Multiply and divide (left to right)

3 (- 3) : - 9

3 (- 3)

Apply rule

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

3 (- 3) = - 3 \cdot 3 = - 9

= - 9

= - 27 - (- 9)

Add and subtract (left to right)

- 27 - (- 9) : - 18

- 27 - (- 9)

Apply rule

- (- a) = + a

- (- 9) = + 9

= - 27 + 9

- 27 + 9 = - 18

= - 18

= - 18

5^{2} + 3 \times 2 - 4

2 - 7 + 2 \cdot 7 \div 2

\frac{( - 7 ) ^{4}}{( - 7 ) ^{2}}

2 5^{2} + 25 + 4

2 \times (- 2) \times 2

What is 3\times (-3^2)-3\times (-3) ?
The solution to 3\times (-3^2)-3\times (-3) is -18