simplify each expression. (-6c^2)(2c^2-3c)

Answer 1

just distribute ....

-6c^2(2c^2-3c)
= -12c^4 + 18c^3

or

= -6c^3(2c - 3) ,

I would consider the factored form more "simplified" than the expanded form.
Check what your text or instructor wants.