Question 391020
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Hi
Note:  parenthesis indicates the product of (2x-5) and (3x-2)
  (2x - 5)(3x-2)
One can obtain the product as follows:
 2x(3x-2) - 5(3x-2)
  6x^2 -4x - 15x + 10
  6x^2 - 19x + 10

For ex: if You had started using mulitiplication rather than using addition...
 6x^2 + 10 ..you would have just been missing the middle term of 19x.