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If (p(x)=x^3(x^5-4)-x^8+4x^3+19), what is the degree of (p(x))?

Answer and explanation

Correct answer: 0

First simplify the expression: \(x^3(x^5-4)=x^8-4x^3\). Thus, \(p(x)=x^8-4x^3-x^8+4x^3+19=19\). A non-zero constant polynomial has degree \(0\), so the correct answer is \(0\). Choosing \(8\) would result from overlooking the cancellation of \(x^8\) and \(-x^8\). Exam tip: Always simplify a polynomial completely before finding its degree.

Related tags

PolynomialsDegree Of PolynomialSimplificationConstant PolynomialClass 9 MathematicsDegree Of A PolynomialIntroduction To PolynomialsMathematics

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