please help me It is urgent
Attachments:

Answers
Answered by
2
Answer:
b) x= 7,-7
Explanation:
☆☆╮
ӇƠƤЄ ƖƬ ӇЄԼƤƧ ƳƠƲ
╰☆☆
Attachments:

Answered by
1
(x+3)(x-3)=40
x²-3²=40
x²-9=40
x²=40+9
x²=49
x=7
option B is the answer of this question
I hope this will help you
Similar questions
Biology,
5 months ago
Hindi,
5 months ago
World Languages,
10 months ago
Hindi,
10 months ago
Art,
1 year ago