What is 6y^3 + 2y^3?

5 ⤊

Just double checking.

2007-02-26 09:16:06 · 4 answers · asked by Donnao 7 in Education & Reference ➔ Homework Help

Er... 8y^3

It is NOT the first person's answer because they aren't in parenthesis. Only the Y is being cubed, not the coefficients as well.

2007-02-26 09:21:32 · answer #1 · answered by David S 2 · 2⤊ 1⤋

No, the 6 and the 2 are NOT cubed, only the Ys are cubed.

The answer is 8y^3.

2007-02-26 17:23:27 · answer #2 · answered by soelo 5 · 1⤊ 1⤋

8 * y^3 (add coefficients of like terms)

2007-02-26 17:21:35 · answer #3 · answered by Xilef 2 · 2⤊ 1⤋

first do 6yx6yx6y which is 216y and then do 2yx2yx2y which is 8y and add them together which is 224y

2007-02-26 17:20:28 · answer #4 · answered by Baseballislife44 2 · 0⤊ 3⤋