What is 3-[-2+1-(4-5-7)]-2+[-3-(5-6-1)+2] ?

The solution to 3-[-2+1-(4-5-7)]-2+[-3-(5-6-1)+2] is -5

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3-[-2+1-(4-5-7)]-2+[-3-(5-6-1)+2]

3 - [- 2 + 1 - (4 - 5 - 7)] - 2 + [- 3 - (5 - 6 - 1) + 2]

- 5

Solution steps

3 - [- 2 + 1 - (4 - 5 - 7)] - 2 + [- 3 - (5 - 6 - 1) + 2]

Follow the PEMDAS order of operations

Calculate within parentheses

[- 2 + 1 - (4 - 5 - 7)] : 7

= 3 - 7 - 2 + [- 3 - (5 - 6 - 1) + 2]

Calculate within parentheses

[- 3 - (5 - 6 - 1) + 2] : 1

= 3 - 7 - 2 + 1

Add and subtract (left to right)

3 - 7 - 2 + 1 : - 5

= - 5

1^{3} + 1

3 (2)^{2} + 1

3 (2)^{2} - 1

1^{2} + 7^{2}

2 0^{2} + 1 6^{2}

What is 3-[-2+1-(4-5-7)]-2+[-3-(5-6-1)+2] ?
The solution to 3-[-2+1-(4-5-7)]-2+[-3-(5-6-1)+2] is -5