Answer
2(y-2)(2y+3)
Work Step by Step
4$y^{2}$-2y-12=2(2$y^{2}$-y-6)=
2(2$y^{2}$+3y-4y-6)=2[y(2y+3)-2(2y+3)]=2(y-2)(2y+3)
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