SOLUTION: factor by grouping 10x^2- 12xy + 35xy- 42 y^2

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Question 74194This question is from textbook
: factor by grouping
10x^2- 12xy + 35xy- 42 y^2 This question is from textbook

Answer by rmromero(383) About Me  (Show Source):
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factor by grouping



10x^2- 12xy + 35xy- 42 y^2





   (10x^2 + 35xy) + (-12xy - 42y^2)

Factor 

   5x(2x + 7y) + (-6y)(2x + 7y)

 

   5x(2x + 7y) - 6y(2x + 7y)



    (2x + 7y)(5x - 6y)