Write (x+1)(x+2) without parentheses

Which expression is equivalent to (4x^3*y^5)(3x^5*y)^2 \a) 24x^13*y^7b) 36x^13*y^7c) 36x^28*y^7d) 144x^16*y^12

Write the expression in complete factored form. 5n_(c - 3) - n(c - 3) =

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