Question

How would you solve 441x⁴ - 361y²

Answer 1

hint : 441 = 21^2 and 361=19^2
i think u need the factors not to find the solution, right ?

Answer 2

Yea, but factoring confuses me -.-

Answer 3

u might can use the property :
a^2b^2 - m^2n^2 = (ab)^2 - (mn)^2 = (ab+mn)(ab-mn)

Answer 4

Okay...I'll attempt

Answer 5

dont forget, x^4 = (x^2)^2
:)

Answer 6

Okay thx :)

Answer 7

welcome..

Answer 8

How would i solve this