Answer:
x = ± 2i
Step-by-step explanation:
note that
= i
x² = - 12 ( take square root of both sides )
x = ±
= ±
= ± 2i
The triangle angle sum theorem states that the 3 angles within the triangle must have a sum that equals 180 degrees.
Answer:
y=-3
Step-by-step explanation:
I hope this works