Question

please factor 121x^2-225y^4

Answer 1

hint \[\huge 121x^2 - 225y^4 \implies (11x)^2 - (15y^2)^2\]
does that help?

Answer 2

unfortunately no

Answer 3

okay here's another hint.. \[\huge a^2 - b^2 = (a+b)(a-b)\]
difference of two squares formula

Answer 4

so would it be (11x+25y^2)(11x-25y^2) ?

Answer 5

yes it will

Answer 6

oh wait..

Answer 7

15 not 25

Answer 8

okay thanks, so will that be the answer? it doesn't seem like i did any factoring

Answer 9

yes that will be the answer..and you did some factoring because you have a multiplication as an answer right?

Answer 10

yes, thank you

Answer 11

welcome