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Popular >

2(-1)^2+2

Solution

2 (- 1)^{2} + 2

Solution

4

Solution steps

2 (- 1)^{2} + 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

= 2 \cdot 1 + 2

Multiply and divide (left to right)

2 \cdot 1 : 2

2 \cdot 1

2 \cdot 1 = 2

= 2

= 2 + 2

Add and subtract (left to right)

2 + 2 : 4

2 + 2

2 + 2 = 4

= 4

= 4

Popular Examples

6+3^2+(3\times 2)

6 + 3^{2} + (3 \times 2)

3 (1)^{5} + 4 (1)^{4}

(- 2 - 2)^{3}

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

- 3 (1) + 2 (4)

Frequently Asked Questions (FAQ)

What is 2(-1)^2+2 ?
The solution to 2(-1)^2+2 is 4