[tex]\bf (18p^3r~~,~~45p^4q)\implies \stackrel{\checkmark}{9p^3}(2r~~,~~5pq)
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(27p^4q~~,~~45p^4q)\implies \stackrel{\otimes}{9p^4q}(3~~,~~5)
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(36p^3q^6~~,~~45p^4q)\implies \stackrel{\otimes}{9p^3q}(4q^5~~,~~5p)
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(63p^3~~,~~45p^4q)\implies \stackrel{\checkmark}{9p^3}(7~~,~~5pq)
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(72p^3q^6~~,~~45p^4q)\implies \stackrel{\otimes}{9p^3q}(8q^5~~,~~5p)[/tex]
