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Class 10MathematicsPolynomialsPolynomials in one variableMedium
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Which polynomial is obtained by simplifying (2x − 1)(x + 5)?

Answer and explanation

Correct answer: 2x² + 9x − 5

Using the distributive property, (2x − 1)(x + 5) = 2x² + 10x − x − 5 = 2x² + 9x − 5. Therefore, option A is correct.

Related tags

Polynomial ExpansionDistributive PropertyPolynomials In One VariablePolynomialsMathematicsClass 10 Mcq
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  1. 1If (p(x)=x²−8x+10), what are its zeroes?
  2. 2If p(x) = 2x² − 4√2x + 4, what is the sum of its zeroes?
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  5. 5If p(x) = x² − 2√2x + 2, which is the correct factorized form of p(x)?
  6. 6Which polynomial has rational coefficients and zeroes 1 + √2 and 1 − √2?
  7. 7Which option is the simplified form of (x^8 - 81) / (x^4 - 9), where x^4 ≠ 9?
  8. 8Which expression is a polynomial in one variable (x)?
  9. 9What is the degree of the polynomial p(x) = 4x^3 − 2x + 9?
  10. 10What is the constant term of the polynomial \(7x^2+5x-11\)?
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