When fran and fred arrived, everyone else had finished eating. there were 4 5/12 pizzas left over. she ate 1/3 of a pizza. fred ate 4/6 of a pizza. how much was left when they finished? a. none of these are correct b. 3 5/12 c. 3 d. 4

180

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.

answer:

step-by-step explanation: