What is (-2-4)^2\div 18 ?

The solution to (-2-4)^2\div 18 is 2

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(-2-4)^2\div 18

(- 2 - 4)^{2} \div 18

2

Solution steps

(- 2 - 4)^{2} \div 18

Follow the PEMDAS order of operations

Calculate within parentheses

(- 2 - 4) : - 6

- 2 - 4

- 2 - 4 = - 6

= - 6

= (- 6)^{2} \div 18

Calculate exponents

(- 6)^{2} : 36

(- 6)^{2}

Apply exponent rule:

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

n

is even

(- 6)^{2} = 6^{2} = 36

= 36

= 36 \div 18

Multiply and divide (left to right)

36 \div 18 : 2

36 \div 18

36 \div 18 = 2

= 2

= 2

- 8 (- 2)^{2}

\frac{36 - 3 ( 8 - 6 )}{6}

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

3 - 2 (4 \times 2)^{2}

2 (- 1)^{2} + 4 (- 1) - 9