Question 1163913
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To be a perfect square, all the factors have to occur in pairs.<br>
{{{120x^5y = (2*2*2*3*5)(x*x*x*x*x)(y) = (2*2)(2*3*5)(x*x)(x*x)(x)(y) = ((2*2)(x*x)(x*x))(2*3*5*x*y)}}}<br>
What factors need to be added?<br>