What is (-1)^4-2(-1)^3 ?

The solution to (-1)^4-2(-1)^3 is 3

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(-1)^4-2(-1)^3

(- 1)^{4} - 2 (- 1)^{3}

3

Solution steps

(- 1)^{4} - 2 (- 1)^{3}

Follow the PEMDAS order of operations

Calculate exponents

(- 1)^{4} : 1

= 1 - 2 (- 1)^{3}

Calculate exponents

(- 1)^{3} : - 1

= 1 - 2 (- 1)

Multiply and divide (left to right)

2 (- 1) : - 2

= 1 - (- 2)

Add and subtract (left to right)

1 - (- 2) : 3

= 3

(9 - 6) \div 3 + (15 - 3) \div (7 - 3) + (9 \div 3)

4^{3} - 2^{3} + 1 0^{3}

\frac{15 + 5 \cdot 2}{13 - 88 \div 11}

(\frac{- 3}{5} - \frac{7}{2}) - \frac{2}{13}

7 \cdot 35 \div 100