Question

Which is a factor of 3x2y2 + 6x2 + 12y2 + 24?
6
x2 + 2
y2 + 6
x2 + 4

Answer 1

6 is not a factor because it will not divide into 3x^2y^2

Answer 2

ok

Answer 3

you could use long division to find out which of the other 3 is a factor.

Answer 4

how do u do that?

Answer 5

or possibly try to factor it by grouping
that would be easier..

Answer 6

remind me of how to o it by grouping, i forgot

Answer 7

3x2y2 + 6x2 + 12y2 + 24

factor the first 2 and last 2 terms
3x^2(y^2 + 2) + 12(y^2 + 2)
=(3x^2 + 12)(y^2 + 2)

Answer 8

oh thank you u remined me

Answer 9

- that shows that y^2 + 2 is a factor
but its not one of the options

Answer 10

- hold on - factor 3x^2 + 12 and see what you get

Answer 11

3(x2 + 4)

Answer 12

there you go

Answer 13

thanks man

Answer 14

yw