Answer:
-15x+48
Explanation:
3y^2=9y
9y-24y+48
(9y-24y)+48
-15y+48
3(y-4)(y-4) or 3(y-4)^2
3y^2-24y+48
factor out the 3
3(y^2-8y+16)
factor out the trinomial
3(y-4)(y-4)
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