Find the measure of each angle in the triangle. F R 6x 15x 15x O 02

R = 75

O = 75

F = 30

Step-by-step explanation:

15x + 15x + 6x = 180

add like terms

36x = 180

divide

x = 5

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.

x = 12

y = 1

for the points!