What is 4+(6(-2))+15(-1) ?

The solution to 4+(6(-2))+15(-1) is -23

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4+(6(-2))+15(-1)

4 + (6 (- 2)) + 15 (- 1)

- 23

Solution steps

4 + (6 (- 2)) + 15 (- 1)

Follow the PEMDAS order of operations

Calculate within parentheses

(6 (- 2)) : - 12

6 (- 2)

6 (- 2) = - 12

= - 12

= 4 - 12 + 15 (- 1)

Multiply and divide (left to right)

15 (- 1) : - 15

15 (- 1)

Apply rule

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

15 (- 1) = - 15 \cdot 1 = - 15

= - 15

= 4 - 12 - 15

Add and subtract (left to right)

4 - 12 - 15 : - 23

4 - 12 - 15

4 - 12 = - 8

= - 8 - 15

- 8 - 15 = - 23

= - 23

= - 23

35 \times 5 + 40 - 15 \times 2

(- 10) + (- 10) + (- 10) + (- 10) + (- 10) + (- 10)

- 1^{2} - 2 \times 2^{2} + 4 \times 1^{2}

93 + [- 15 - 30 + 45 - (- 23 - 11)]

5 \times (3 \times 1) \times 7 + 2