Find the general solution (D²+3D+2)y=12x² A B C y=c₁₂e-²x+c₁₂e-21+ 18x − 6x² - y=c₁e¯²x+c₂e¹+21−18x + 6x ² y=c₁e¯²x+c₂e*+21+ 18x+ 6x² D) none of the choices

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