Fundamentals of Microbiology for Nursing
Q: What is the primary source of microorganisms in the disease transmission cycle?
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Combine: log₆[x(x+5)]=2 ⇒ x(x+5)=36 ⇒ x²+5x-36=0 ⇒ (x+9)(x-4)=0 ⇒ x=4 or x=-9. Since log arguments >0, x=4 only.
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