Answer:bh5j67k
Step-by-step explanation:
Answer:
x = ± 2i
note that = i
x² = - 12 ( take square root of both sides )
x = ± = ± = ± 2i
ΑΔΒ = ΒΔΑ because Δ stands for the difference between two numbers and the difference between two numbers doesn't change when switched to the other side.