Answer:
(x+3)(x-3) is x²-9
Step-by-step explanation:
Answer:
no idea too hard but try math way
Step-by-step explanation:
Answer:

please mark as brainliest

after taking sqrt both side
3x/

3x/3y√2
x/√2y
multiply both denomenator and numerator by√2
√2x/2y
Answer is A