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

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

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-2\times (-1)^2

- 2 \cdot (- 1)^{2}

- 2

Solution steps

- 2 (- 1)^{2}

Follow the PEMDAS order of operations

Calculate exponents

(- 1)^{2} : 1

(- 1)^{2}

Apply exponent rule:

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

n

is even

(- 1)^{2} = 1^{2} = 1

= 1

= - 2 \cdot 1

Multiply and divide (left to right)

- 2 \cdot 1 : - 2

- 2 \cdot 1

- 2 \cdot 1 = - 2

= - 2

= - 2

\frac{1}{2} 50 \times 2^{2}

(2 + 3) (2 + 4)

6 \times 3 \div 2 \times 4

- 2 - \frac{1}{3} + 2

8 \frac{1}{2} + 3 \times 7 - 18