Question

Combine the like terms to simplify the expression:



4 + 7xy2 + 5y3 + 10x –4xy2 – 8x – 4y3 + 9



A.


y6 + 3x2y2 + 10x + 13


B.


y3 + 3xy2 + 2x + 13


C.


y3 + 3xy2 + 10x + 13


D.


y3 – 3xy2 + 2x + 9

Answer 1

B @200205650

Answer 2

Gather the like terms first.
\[4+(7x{y}^{2}-4x{y}^{2})+(5{y}^{3}-4{y}^{3})+(10x-8x)+9\]

From there on, simplify.

Answer 3

constants: 4+9 = 13 xy^2: 7-4 = 3xy^2 y^3: 5-4 = y^3 x: 10-8 = 2x y3 + 3xy2 +2x +13 (answer D)

Answer 4

sorry B

Answer 5

constants: 4+9 = 13 xy^2: 7-4 = 3xy^2 y^3: 5-4 = y^3 x: 10-8 = 2x y3 + 3xy2 +2x +13 (answer D)

Answer 6

ok?????