First find angle EBC.
The are for a triangle is 180 degrees.
It is a right triangle and has a right angle.
180 - (90 + 50)
180 - 140
angle EBC IS 40
NOW FIND X
The line is 180 degrees.
180 -40 = 140
X = 140 DEGREES
Answer:
(x-1)(x-3)
Step-by-step explanation:
It is not a perfect square trinomial but
The answer to this question is C.2 I think
