What is 2(-1)^2+8(-1) ?

The solution to 2(-1)^2+8(-1) is -6

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2(-1)^2+8(-1)

2 (- 1)^{2} + 8 (- 1)

- 6

Solution steps

2 (- 1)^{2} + 8 (- 1)

Follow the PEMDAS order of operations

Calculate exponents

(- 1)^{2} : 1

= 2 \cdot 1 + 8 (- 1)

Multiply and divide (left to right)

2 \cdot 1 : 2

= 2 + 8 (- 1)

Multiply and divide (left to right)

8 (- 1) : - 8

= 2 - 8

Add and subtract (left to right)

2 - 8 : - 6

= - 6

(7 \times 2 - 12 + 152) - (12 \times 2 + 12 + 152)

61 - ((55 + 44) + 3^{2}) - 633 \div 3

2 \times 5 \times + 9

- 9 - \frac{9}{8} - \frac{1}{3} - \frac{9}{64}

30 \times (- 40) \div 20 \times (- 10)