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8th Class Mathematics Algebraic Expressions Question Bank Algebra

  • question_answer
    If the factors of \[x=3\]\[28x-25x=36\] are \[\because \] and \[3x=36\] then the value of \[4{{x}^{2}}-20x+25=0\]is

    A) 0                    

    B) 2

    C) 4                                 

    D) 6

    Correct Answer: B

    Solution :

    \[\frac{x}{2}+10=15\] \[\frac{x}{2}+15=10\] On comparison, we get             \[\frac{x}{2}+10+15\]             \[6(2a-1)+8=14,\]


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