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Class 9MathematicsExploring Algebraic IdentitiesFactorisationExpert
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Factorise (2x^3+7x^2+3x) completely.

Answer and explanation

Correct answer: (x(2x+1)(x+3))

First (x) is common and (2x^2+7x+3=(2x+1)(x+3)). In exams, factor the trinomial after taking the common factor.

Related tags

Complete-FactorisationCubic-ExpressionQuadraticFactorisationExploring Algebraic IdentitiesMathematicsClass 9 Mcq
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  1. 1A rectangle model must show (x^2-9x+20) in factors. Which pair is correct?
  2. 2In a rectangle model, which option correctly writes \(x^2-13x+40\) as two sides?
  3. 3Which rectangle model correctly represents (2x²+x−15)?
  4. 4A rectangle is divided into parts \(x^2\), \(5x\), \(7x\), and \(35\). What are the possible sides of the rectangle?
  5. 5Which visual rectangle model can factor x² + 18x + 80?
  6. 6What is the greatest common factor when factorising 6x + 9?
  7. 7Which is the correct factorisation of 4a + 8?
  8. 8Which common factor will be taken out from (xy + xz)?
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