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

The solution to (-1)^2+2(-1)+1 is 0

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

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

0

Solution steps

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

Follow the PEMDAS order of operations

Calculate exponents

(- 1)^{2} : 1

= 1 + 2 (- 1) + 1

Multiply and divide (left to right)

2 (- 1) : - 2

= 1 - 2 + 1

Add and subtract (left to right)

1 - 2 + 1 : 0

= 0

4 p + 2 < 2 (p + 5)

3 x - 1 \leq - 10

3 x^{2} - 10 x + 15 = 0

2.7118200000000 \dots x^{2} - 0.7182818285 x - 0.1323621525 = 0

2