please solve

E Joanna

after watching the video I am still a bit confused, to begin this problem, do we find an LCM for the variables as well?

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Determine the LCM of the given polynomials: Leave your answer in factored form.

${\mathrm{x^}}^2+4x+\mathrm{4and}$${\mathrm{x^}}^2+5x+6$