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

The solution to 2(-2-1)^2+1 is 19

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2(-2-1)^2+1

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

19

Solution steps

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

Follow the PEMDAS order of operations

Calculate within parentheses

(- 2 - 1) : - 3

- 2 - 1

- 2 - 1 = - 3

= - 3

= 2 (- 3)^{2} + 1

Calculate exponents

(- 3)^{2} : 9

(- 3)^{2}

Apply exponent rule:

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

n

is even

(- 3)^{2} = 3^{2} = 9

= 9

= 2 \cdot 9 + 1

Multiply and divide (left to right)

2 \cdot 9 : 18

2 \cdot 9

2 \cdot 9 = 18

= 18

= 18 + 1

Add and subtract (left to right)

18 + 1 : 19

18 + 1

18 + 1 = 19

= 19

= 19

50 \div 5 - 16 \div 2 + 12 \div 6

\frac{9}{2} \cdot 9 + \frac{1}{4}

(1034 \div 94 - 72 \div 12)^{4}

85 - 15 \times 4 - 100 - 200 \div 10 - 35

- 6 (- 5 - (- 3))