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Which option gives the correct sum of (x^2-3x+2) and (2x^2+x-5)?

Answer and explanation

Correct answer: 3x^2-2x-3

Add terms with the same power of x: x^2+2x^2=3x^2, -3x+x=-2x, and 2-5=-3. Therefore, the sum is 3x^2-2x-3. In option C, the sign of the x-term is incorrect. Exam tip: While adding polynomials, group like terms first and then add their coefficients.

Related tags

PolynomialsAlgebraic ExpressionsPolynomial AdditionLike TermsClass 9 MathematicsIntroduction To PolynomialsMathematicsClass 9 Mcq

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