Solve (2*(-2^-1)+(-2)*2^-1)

$$(2 \times (- { 2 }^{ -1 } )+(-2) \times { 2 }^{ -1 } )$$

Evaluate

$$-2$$

Solution Steps

Calculate 2 to the power of -1 and get \frac{1}{2}.

$$2\left(-\frac{1}{2}\right)-2\times 2^{-1}$$

Multiply 2 and -\frac{1}{2} to get -1.

$$-1-2\times 2^{-1}$$

Calculate 2 to the power of -1 and get \frac{1}{2}.

$$-1-2\times \frac{1}{2}$$

Multiply -2 and \frac{1}{2} to get -1.

$$-1-1$$

Subtract 1 from -1 to get -2.

$$-2$$

Factor

$$-2$$