An inscribed quadrilateral in a circle is shown, which statements are correct? A.) x = 82 degrees
B.) y = 78 degrees
C.) z = 87 degrees
D.) 93 degrees + z = 190 degrees
E.) x + y = 180 degrees

faster, im not sure why but i know it is faster

hello from mrbilldoesmath!

answer:   x (x+6)^2, choice b

discussion:

factor x out of the equation:

x^3 + 12x^2 + 36x = x (x^2 + 12x + 36).

note that 6+6 = 12 and 6*6 = 36 so the above factors into:

x (x+6)^2

which is choice b

you,

mrb

i think the answer is 90 hope this