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

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

Question 74063This question is from textbook
: factor by grouping
10x^2 - 12xy + 35xy - 42y^2 This question is from textbook

Found 2 solutions by rmromero, blfaust:
Answer by rmromero(383) (Show Source): You can put this solution on YOUR website!

factor by grouping
10x^2 - 12xy + 35xy - 42y^2
Be sure to group the term in such a way that they will have common factor.
(10x^2 + 35xy) + (-12xy - 42y^2)
5x(2x + 7y) + (-6y)(2x + 7y)
Notice that the common factor after grouping emerge (2x + 7y)
factor common term
(2x + 7y)(5x - 6y)
that simple.

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Answer by blfaust(5) (Show Source): You can put this solution on YOUR website!
Only -12xy and 35xy can be grouped together. From there use the FOIL method to get
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