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

The solution to (-1)^2-2(-1) is 3

English

Español

Português

Français

Deutsch

Italiano

Русский

中文(简体)

한국어

日本語

Tiếng Việt

עברית

العربية

Popular >

(-1)^2-2(-1)

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

3

Solution steps

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

Follow the PEMDAS order of operations

Calculate exponents

(- 1)^{2} : 1

= 1 - 2 (- 1)

Multiply and divide (left to right)

2 (- 1) : - 2

= 1 - (- 2)

Add and subtract (left to right)

1 - (- 2) : 3

= 3

2^{2} - 3^{2}

\frac{2 ^{3} \cdot 3 ^{2}}{3 ^{3} \cdot 2}

- 2 \times (- 2) \times (- 2)

- 2 + 10 - 8 \times 9 + 5 \times 4 + 12 \div 4 - 11 \div 1

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