The answers are A and C
C is a vertical angle which the vertical side is corresponding to the vertical side of x°.
105°+54°+y°=180°
159°+y°=180°
y°=21°
Meaning, x=21°.
Answer:
6(x2 + 2)
Step-by-step explanation:
6
2
+
1
{\color{#c92786}{6x^{2}+12}}
6x2+12
(
)
{\color{#c92786}{6(x^{2}+2)}}
6(x2+2)
