The Answer is 3
All you need to do is multiply 7 and 1 then divide.
Answer:
The answer is √10,−√10 (award brainliest)
Step-by-step explanation:
Take the root of both sides and solve.
Exact Form: x = √10,−√10
Decimal Form: x = 3.16227766...,−3.16227766...
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Answer:
-4
Step-by-step explanation:
Adding 21 and -21 cancel each other out so you're left with -4