Edgar ran e meters per second, and Mathieu ran m meters per second. The boys ran for t seconds. The expression t(m-e) describes how many more meters Mathieu ran than Edgar ran during that time. We can also use the expression tm-te to represent the same quantity. Match each amount in the situation with the expression that represents it.

I try to do it but I don't know if is right...

its 8

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.