What is 2\times (-1)+1 ?

The solution to 2\times (-1)+1 is -1

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2\times (-1)+1

2 \cdot (- 1) + 1

- 1

Solution steps

2 (- 1) + 1

Follow the PEMDAS order of operations

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

= - 2 + 1

Add and subtract (left to right)

- 2 + 1 : - 1

- 2 + 1

- 2 + 1 = - 1

= - 1

= - 1

\frac{1}{4} (0)^{2}

2 \times (- 2) - 1

24 - 8 \div (- 2) \times 5

2 \times (- 3) - 1

- 3 \times 0 - 2