To solve 6x=72 do you use the addition property of equality?

x=12 is the correct answer. First you had to divide by 6 from both sides of equation, and it gave us, . And finally simplify, and it gave us the answer is , or 12*6=72, and x=12 is the correct answer. Hope this helps! And thank you for posting your question at here on , and have a great day. -Charlie

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.