Posted by ROCKY on Tuesday, July 26, 2011 at 11:11pm.
completely factor the expression
150x^2420xy+294y^2

intermediate algebra  Reiny, Wednesday, July 27, 2011 at 8:34am
= 6(25x^2  70xy + 49)
mmmhh, the first and last numbers are perfect squares, let's see now does the middle term work out, ahhh yes
= 6(5x  7y)^2
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