Any number or variable with a negative index, can be written as 1 over that number or variable, to the equivalent positive index. So, for example, x to the negative 4 equals 1 over x to the 4 ...

Simplify close simplifyA fraction is simplified when there are no more common factors shared by the numerator and denominator. For example, the fraction 8/10 simplifies to 4/5 by dividing the ...