Answer:
-10 - 1 = x
Step-by-step explanation:
If you take -10 and subtract one, it makes the number go down lower because it's negative (example, 12 - 2 is -14)
this might help.......
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Hi. I am a math teacher. Your correct answer is 210. You're welcome!
BC = 7√2
BD = 7
Hope this helps you.....