find the coffiecient of x^2 and x in the expansions (x-3) (x+7) (x-8)
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Answer:
Friend and foe
The main microorganisms in and on our bodies are protozoa, algae, fungi, bacteria and viruses. Most microorganisms are beneficial, for example, there are microorganisms in our large intestine that synthesise vitamins and allow them to be absorbed into the bloodstream.
{x}^3 - 4x {}^{2} - 53x + 168