What is 3(-1)^3+5(-1)3 ?

The solution to 3(-1)^3+5(-1)3 is -18

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3(-1)^3+5(-1)3

3 (- 1)^{3} + 5 (- 1) 3

- 18

Solution steps

3 (- 1)^{3} + 5 (- 1) \cdot 3

Follow the PEMDAS order of operations

Calculate exponents

(- 1)^{3} : - 1

(- 1)^{3}

Apply exponent rule:

(- a)^{n} = - a^{n},

n

is odd

(- 1)^{3} = - 1^{3} = - 1

= - 1

= 3 (- 1) + 5 (- 1) \cdot 3

Multiply and divide (left to right)

3 (- 1) : - 3

3 (- 1)

Apply rule

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

3 (- 1) = - 3 \cdot 1 = - 3

= - 3

= - 3 + 5 (- 1) \cdot 3

Multiply and divide (left to right)

5 (- 1) \cdot 3 : 15

5 (- 1) \cdot 3

Apply rule

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

5 (- 1) = - 5 \cdot 1 = - 5

= - 5 \cdot 3

5 \cdot 3 = 15

= 15

= - 3 - 15

Add and subtract (left to right)

- 3 - 15 : - 18

- 3 - 15

- 3 - 15 = - 18

= - 18

= - 18

(4 + 6 \times 3)

1 7^{2} + 17 + 4

5 \times 10 - 3 (70 - 14)

4 (- 2)^{2} - 3 (- 2) - 16

6 \times 6^{3}