What is 3(-1)^2+5-2 ?

The solution to 3(-1)^2+5-2 is 6

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3(-1)^2+5-2

3 (- 1)^{2} + 5 - 2

6

Solution steps

3 (- 1)^{2} + 5 - 2

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

= 3 \cdot 1 + 5 - 2

Multiply and divide (left to right)

3 \cdot 1 : 3

3 \cdot 1

3 \cdot 1 = 3

= 3

= 3 + 5 - 2

Add and subtract (left to right)

3 + 5 - 2 : 6

3 + 5 - 2

3 + 5 = 8

= 8 - 2

8 - 2 = 6

= 6

= 6

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

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