Arpitha factors out the greatest common factor, 9n, from the terms of the polynomial shown.162m3n4 + 45n= 9n(_______ + 5)

Divide the first term by the factor being taken out: 162m³n⁴ ÷ 9n = 18m³n³. The second term, 45n, becomes 5 after dividing by 9n, so the expression in parentheses is 18m³n³ + 5. The correct choice is C, 18m³n³.

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