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If \(p(x)=3x^2-4x+1\) and \(q(x)=x^2+2x-5\), what is the value of \(p(x)+q(x)\)?

Answer and explanation

Correct answer: \(4x^2-2x-4\)

When adding polynomials, combine terms with the same power of the variable: \(3x^2+x^2=4x^2\), \(-4x+2x=-2x\), and \(1-5=-4\). Therefore, the sum is \(4x^2-2x-4\). Option B results from incorrectly combining coefficients, while option D incorrectly multiplies powers instead of adding the polynomials. Exam tip: arrange the \(x^2\), \(x\), and constant terms in separate groups before adding.

Related tags

Polynomial AdditionLike TermsQuadratic PolynomialsPolynomials In One VariablePolynomialsMathematicsClass 10 Mcq

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