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If (p(x)=(x^8-6x^5+3)-(x^8-2x^5)), what is the degree of (p(x))?

Answer and explanation

Correct answer: 5

While subtracting the second bracket, the sign of every term changes: p(x)=x^8-6x^5+3-x^8+2x^5=-4x^5+3. The x^8 terms cancel, and the highest power of x in the remaining polynomial is 5. Hence, its degree is 5. Option 8 is a close distractor, but the coefficient of x^8 becomes 0 after simplification. Exam tip: Always simplify a polynomial completely before finding its degree.

Related tags

PolynomialsDegree Of PolynomialPolynomial SubtractionLike TermsClass 9 MathematicsDegree Of A PolynomialIntroduction To PolynomialsMathematics

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