The answer to the question is 14
x^4 + 14x^2 + 49
(x^2 + 7)^2
perfect square
Answer:
Step-by-step explanation:

multiply by
on each side

add 1 on both sides 
make it equal 0

Factor

answer is 3 and -1
Answer:1.00
Step-by-step explanation:I misses u
Answer:
Cot is an inverse of tan:

Answer:
brainly moderators suck
Step-by-step explanation: