What is 2^2-4(1)(2) ?

The solution to 2^2-4(1)(2) is -4

English

Español

Português

Français

Deutsch

Italiano

Русский

中文(简体)

한국어

日本語

Tiếng Việt

עברית

العربية

Popular >

2^2-4(1)(2)

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

- 4

Solution steps

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

Follow the PEMDAS order of operations

Calculate exponents

2^{2} : 4

2^{2}

2^{2} = 4

= 4

= 4 - 4 (1) (2)

Multiply and divide (left to right)

4 (1) (2) : 8

4 (1) (2)

4 (1) = 4

4 (1)

Apply rule:

(a) = a

(1) = 1

= 4 \cdot 1

Multiply the numbers:

4 \cdot 1 = 4

= 4

= 4 (2)

4 (2) = 8

4 (2)

Apply rule:

(a) = a

(2) = 2

= 4 \cdot 2

Multiply the numbers:

4 \cdot 2 = 8

= 8

= 8

= 4 - 8

Add and subtract (left to right)

4 - 8 : - 4

4 - 8

4 - 8 = - 4

= - 4

= - 4

4 1^{2} - 2 1^{3}

50 \times \frac{31}{2}

(- 6) (- 6) + (- 4) (3) (3)

12 [(2 - 3)^{2} + 4]

- 2 (3 - 5) - (- 2) (- 7 + 9) - (- 1)