Potential difference is measured in units called

The correct answer is volt.

Step-by-step explanation:

Potential difference is the work done in bringing the charge from one point to another.

Or

Potential difference between the two points is defined as the change in the potential energy when the charge is moved from one point to other point.

The expression for the potential difference in terms of  work done and charge is as follows;

Here, is the change in the potential difference, W is the work done and q is the charge.

The SI unit of potential difference is volt.

1 volt is defined as the one joule of work done in bringing one coulomb charge from one point to another.

Therefore, potential difference is measured in units called volt.

step-by-step explanation:

x= -3 and

step-by-step explanation:

to find the roots of a cubic, use division or factoring to find the factors then set equal to 0. as this is a difference of cubes, it factors into

where a is the cube root of .

here   this is 27 and the cube root of 27 is 3. so we write using the form:

.

set each factor to 0 and solve for x.

x-3=0

x=3

the quadratic expression does not factor and must be solved using the quadratic formula.

where a = 1, b=3, and c=9

this cubic has two complex roots.