(2) Answers

[latex]3d^2-13d+12=3d^2-9d-4d+12=3d(d-3)-4(d-3)\\\\=(d-3)(3d-4)[/latex]

[latex]3d^2-13d+12=3d^2-4d-9d+12=d(3d-4)-3(3d-4)=\\ \\=(3d-4)(d-3)[/latex]

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(2) Answers

[latex]3d^2-13d+12=3d^2-9d-4d+12=3d(d-3)-4(d-3)\\\\=(d-3)(3d-4)[/latex]

[latex]3d^2-13d+12=3d^2-4d-9d+12=d(3d-4)-3(3d-4)=\\ \\=(3d-4)(d-3)[/latex]

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