Answer:
1
Step-by-step explanation:
Look at the LHS: you have the square of x, then you have 2 times x, times -1. to complete a square you just need to add the square of -1, that is 1. That becomes

Yep he or she is right have a nice day
what is your question then?
8. 70.5* 10. 30* 12. 5.1*
Answer:
d
Step-by-step explanation:
43.55 rounds the tenth up because it has a hundredth of five