The difference of twice a number and five is three. Find the number. Translate the world problem to an equation. Which steps describe how to solve the equation?

Step-by-step explanation:

let the number=x

2x-5=3

2x=3+5

2x=8

x=8/2=4

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.