Answer:
x=i, -i.
Step-by-step explanation:
x^2-6=-7
x^2-6-(-7)=0
x^2-6+7=0
x^2+1=0
x^2=0-1
x^2=-1
Answer: 60x10=600
10% of 600 is 60
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<u>hope it helps...</u>
<u>have a great day!!</u>
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