Factor by Grouping 21x^2y^2+11xy-2

Math
Rewrite as .
Let . Substitute for all occurrences of .
Factor by grouping.
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For a polynomial of the form , rewrite the middle term as a sum of two terms whose product is and whose sum is .
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Factor out of .
Rewrite as plus
Apply the distributive property.
Factor out the greatest common factor from each group.
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Group the first two terms and the last two terms.
Factor out the greatest common factor (GCF) from each group.
Factor the polynomial by factoring out the greatest common factor, .
Replace all occurrences of with .
Simplify.
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Remove parentheses.
Remove parentheses.
Factor by Grouping 21x^2y^2+11xy-2
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