a. 3x2(y + 3x)(y – 3x)
b. 3x(y + 3x)(y + 3x)
c. 3x(y – x)(y – x)
d. 3x(y + 3x)(y – 3x)
2007-12-13 14:11:48 · 6 answers · asked by Jazz 2 in Science & Mathematics ➔ Mathematics
[06]
3xy^2-27x^3
=3x(y^2-9x^2)
=3x{(y)^2-(3x)^2}
=3x(y+3x)(y-3x)
Option d is the correct choice
2007-12-13 14:17:21 · answer #1 · answered by alpha 7 · 0⤊ 0⤋
d. 3x(y+3x)(y-3x)
3x (y^2-9x^2) the 3xy; -3xy cancel out
3x *y^2= 3xy^2
3x*-9x^2=-27x^3
2007-12-13 22:17:26 · answer #2 · answered by Dave aka Spider Monkey 7 · 0⤊ 0⤋
3x(y^2 - 9x^2)
3x (y - 3x) (y + 3x)
d.
2007-12-13 22:15:24 · answer #3 · answered by Steve B 6 · 2⤊ 0⤋
Definetly d
2007-12-13 22:15:41 · answer #4 · answered by Anonymous · 0⤊ 0⤋
im sry thats a little to complicated for me? ask your school nerd or someone who smart in math
2007-12-13 22:14:59 · answer #5 · answered by Vicky 2 · 0⤊ 1⤋
D!!!!
2007-12-14 02:34:06 · answer #6 · answered by miszterius 1 · 0⤊ 0⤋