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9th Class Mathematics Polynomials Question Bank Polynomials

  • question_answer
    What are the factors of \[{{x}^{2}}+(a+b+c)x+ab+bc\]?

    A) \[(x+a)(x+b+c)\]          

    B) \[(x+a)(x+a+c)\]

    C)        \[(x+b)(x+a+c)\]

    D)        \[(x+b)(x+b+c)\]          

    Correct Answer: C

    Solution :

    \[{{x}^{2}}+ax+bx+cx+cx+ab+bc\] \[=({{x}^{2}}+bx)+(ax+ab)+(cx+bc)\] \[=(x+b)(x+a+c)\]


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