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If x+3 is a factor of f(x)=px^(2)+p^(2)x...

If `x+3` is a factor of `f(x)=px^(2)+p^(2)x+30 and pgt0`, what is the value of p?

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The correct Answer is:
`5`
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ENGLISH SAT-PASSPORT TO ADVANCED MATH-EXERCISE
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  9. A man puts $P in a bank which offers n% interest compounded annually. ...

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