Question 551516
Factor completely:
{{{147x^2y+42xy^2+3y^3}}} Each of the coefficients is divisible by 3y so factor a 3y.
{{{3y(49x^2+14xy+y^2)}}} The trinomial looks like a perfect square so...
{{{3y(7x+y)(7x+y)}}} Check by multiplying the factors.