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Popular >

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

Solution

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

Solution

0

Solution steps

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

Follow the PEMDAS order of operations

Calculate exponents

(- 1)^{2} : 1

(- 1)^{2}

Apply exponent rule:

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

if

n

is even

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

= 1

= 1 - (- 1) - 2

Add and subtract (left to right)

1 - (- 1) - 2 : 0

1 - (- 1) - 2

Apply rule

- (- a) = + a

- (- 1) = + 1

= 1 + 1 - 2

1 + 1 = 2

= 2 - 2

2 - 2 = 0

= 0

= 0

Popular Examples

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

3(-2)^2-4(-2)+2

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

4 \cdot 1 + 9^{2}

-2\times [-3(5+4-3-6)-(2+4+8-9)]+7

- 2 \times [- 3 (5 + 4 - 3 - 6) - (2 + 4 + 8 - 9)] + 7

1 - (0)^{2}

Frequently Asked Questions (FAQ)

What is (-1)^2-(-1)-2 ?
The solution to (-1)^2-(-1)-2 is 0