Please see the attachment below. Also if you can, please show work. :)

x = 5.2

Step-by-step explanation:

Its because 8 / 2 = 4 so that means 5.2 / 2 = 2.6 :)

(You might wanna check because im not sure)

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.

1/3 + 1/5 = 8/15.

step-by-step explanation:

hope it