What is -3^2-2(-3)+8 ?

The solution to -3^2-2(-3)+8 is 5

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-3^2-2(-3)+8

- 3^{2} - 2 (- 3) + 8

5

Solution steps

- 3^{2} - 2 (- 3) + 8

Follow the PEMDAS order of operations

Calculate exponents

3^{2} : 9

3^{2}

3^{2} = 9

= 9

= - 9 - 2 (- 3) + 8

Multiply and divide (left to right)

2 (- 3) : - 6

2 (- 3)

Apply rule

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

2 (- 3) = - 2 \cdot 3 = - 6

= - 6

= - 9 - (- 6) + 8

Add and subtract (left to right)

- 9 - (- 6) + 8 : 5

- 9 - (- 6) + 8

Apply rule

- (- a) = + a

- (- 6) = + 6

= - 9 + 6 + 8

- 9 + 6 = - 3

= - 3 + 8

- 3 + 8 = 5

= 5

= 5

80 - 3 \frac{3}{5} - 4 \frac{3}{10}

3^{3} + 1

- 4^{2} + [4 + (- 1)]

- 2 - 4 - (- 3)

5^{0} \cdot 5^{1} + 5^{4} \div 5^{2}