6-x-x=18
1 answer:
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Answer:
a
Step-by-step explanation:
square root distribute to numerator and denominator so both get square rooted /8
Plug in -12 for 
!
Now get the left side equal to zero so you can factor:
Now you can factor out an
!
So for that to equal zero,
or 
!
Now get the left side equal to zero so you can factor:
Now you can factor out an
So for that to equal zero,