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

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

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

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

1

Solution steps

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

Follow the PEMDAS order of operations

Calculate exponents

1^{2} : 1

= - 1 + 2 (- 1) + 4

Multiply and divide (left to right)

2 (- 1) : - 2

= - 1 - 2 + 4

Add and subtract (left to right)

- 1 - 2 + 4 : 1

= 1

3 \div 7 + 5 \div 14 - 3 \div 49 + 1 \div 4 - 7 \div 2

10 \div 5 \times 4 + 5 + 5 - 6

(4 - 11) \times (12 - 18)

- 5 {- 3 [(4 - 10)]} 15 - 16

7^{3} - 49 + 5^{2}