8th Class Mathematics Factorisation Question Bank Factorization

  • question_answer
    Factorization: \[2{{x}^{2}}+5x-3\]

    A)  \[\left( x+3 \right)\left( 2x+1 \right)\]       

    B)  \[\left( x-3 \right)\left( 2x-1 \right)\]

    C)  \[\left( x+2 \right)(x-1)\]             

    D)  \[\left( x+3 \right)(2x-1)\]

    Correct Answer: D

    Solution :

    (d): \[2{{x}^{2}}-5x+3\] Using same process as in Q9, Roots \[=-\,3\] and\[\frac{1}{2}\]' \[\therefore (x+3)\left( x-\frac{1}{2} \right)=0\] or\[\left( x+3 \right)\left( 2x-1 \right)=0.\]


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