How would you factor this problem:
18x(to the third power) y + 12xy
2007-08-24 05:27:19 · 5 answers · asked by Anonymous in Science & Mathematics ➔ Mathematics
18 x ³ y + 12 x y = 6 x y (3 x ² + 2)
2007-08-24 07:04:45 · answer #1 · answered by Como 7 · 1⤊ 0⤋
factoring is where u have to find the LCF(least common factor) for each term!
in this case u have 2 terms, "18x^3y" and "y+12xy". 12 and 18 have something in common which is 6. the X and X^3 have something in common which is X, the least. the Y have something in common which is just Y. now your equation is as follows:
6xy(3x^2+2) all the LCF must be written outside the parenthesis, and those not common go inside the parenthesis!
6xy(3x^2+2) multiplied is the same as 18x^3y+12xy!
2007-08-24 12:40:26 · answer #2 · answered by cupcake 3 · 0⤊ 0⤋
18 and 12 are divisible by 6, there's no other number greater than that one that when you divide the 18 and 12 gives a whole number.
remember to always look for the GCF(greatest common factor)
you know that x and y are on both sides so you know that's a common factor
6xy(3x^2+2)
2007-08-24 12:35:29 · answer #3 · answered by Anonymous · 0⤊ 0⤋
18x^3y+12xy
=6xy(3x^2+2)
2007-08-24 12:48:51 · answer #4 · answered by moona 4 · 1⤊ 0⤋
6xy(3x^2+2)
2007-08-24 12:33:17 · answer #5 · answered by Seth P 1 · 0⤊ 0⤋