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

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-2(-1)^2+1

Solution

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

- 1

Solution steps

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

Follow the PEMDAS order of operations

Calculate exponents

(- 1)^{2} : 1

(- 1)^{2}

Apply exponent rule:

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

n

is even

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

= 1

= - 2 \cdot 1 + 1

Multiply and divide (left to right)

- 2 \cdot 1 : - 2

- 2 \cdot 1

- 2 \cdot 1 = - 2

= - 2

= - 2 + 1

Add and subtract (left to right)

- 2 + 1 : - 1

- 2 + 1

- 2 + 1 = - 1

= - 1

= - 1

2 4^{2} - 2 0^{2}

(3 \times 2) \div 6 + (19 - 1) \div (5 + 4)

121 \div 11 + 3 \cdot 4 \div 2

- {- [10 - 13] - [- 35 - 8 - 36] - 8}

65 - 1256 \times (- 1) + 99