The answer is none I’m pretty sure
It would be the second one if you follow PEMDAS
Step-by-step explanation:
(x+2y)(x-2y)
- x^2-2xy+2xy-(2y)^2
- x^2-4y^2
First you would divide everything by bc on both sides to get a by it self. Then you answer will be a=c/bc
Answer:
Hey mate, please describe your question perfectly.