Answer:
The answer to your question is: letter A
Step-by-step explanation:
See the picture below
When we divide the polynomial by the factor the result is zero, that's why letter A is the factor.
When we divide the polynomial by B, C or D the residue is not zero, then they are not factors.
7 is infinite 6 is 4/3 5 is zero 4 is negative 5/4
X=5
Measure of angle BCA= 55
Measure of angle B= 76