Answer:
A
Step-by-step explanation:
given
16x² + 4 = 0 ( subtract 4 from both sides )
16x² = - 4 ( divide both sides by 16 )
x² =
= - 
[ take the square root of both sides ]
x = ±
= ±
i (
= i )
Answer:
the answer is 1.
Step-by-step explanation:
Try and plug in 1 as in x it would come out with equal to b0th sides
So firstly, add both sides by 6: 
Next, multiply both sides by 4, and your answer will be 