mathematical statement justification

−2(2x3 + 4x2 − 3) + 5(x2 − 2x − 2) } given

−4x3 − 8x2 + 6 + 5x2 − 10x − 10 }

−4x3 − 8x2 + 5x2 − 10x + 6 − 10 }

−4x3 − 3x2 − 10x − 4 }

fill in the missing justifications in the correct order.

a. combine like terms; distributive property; commutative property of addition

b. commutative property of addition; combine like terms; distributive property

c. distributive property; commutative property of addition; combine like terms

d. distributive property; combine like terms; commutative property of addition