MathematicsFactorize 2×2-7x-15.

Factorize 2x2-7x-15.


  1. A
      (2x+5)(x-5)
  2. B
    (2x-5)(x-5)
  3. C
    (2x+5)(x+5)
  4. D
    (2x+5)(x+5) 

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    Solution:

    Given, 2x2-7x-15.
    Factorize the equation by splitting the middle term whose sum is -7 and product is -30.
    =2x2-10x+3x-15 = 2x(x-5)+3(x-5)
    = (2x+5)(x-5)
    The factor is (2x+5)(x-5).
    Therefore, option 1 is correct.
     
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