Step-by-step explanation:
Both are very correct,

because any number raised to the power of a negative
is given as

if this helped pls give brainliest
Hey There!
The answer to your problem is
or
both answers are correct!
<u>Step 1: Subtract x²+12 from both sides.</u>
−7x−(x²+12)=x²+12−(x²+12)
−x²−7x−12=0
<u>Step 2: Factor left side of equation.</u>

<u>Step 3: Set factors equal to 0.</u>
or 
<u>Get your answer:</u>
or 
WANR: 22%
WWCN: 41%
WCLM: 24%
WKOD: 13%
However is B. WWCN.
1. Option 4
2. Option 2
3. Option 2
4. Option 4 (not completely sure)
5. Option 2
6. Option 1 (not completely sure)
7. Option 4
8. <span>Isotopes are caused by different numbers of neutrons in the electron cloud
9. Not sure of the question
10. Positive charge
11. nucleus
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