Factor out of .
Factor out of .
Factor out of .
Factor out of .
Factor out of .
Rewrite as .
Let . Substitute for all occurrences of .
Consider the form . Find a pair of integers whose product is and whose sum is . In this case, whose product is and whose sum is .
Write the factored form using these integers.
Replace all occurrences of with .
Remove unnecessary parentheses.
Factor 2x^3y^4-8x^2y^3+6xy^2