Question

49x4-168x2y2+144y2 using identities, factorise the following

Answer 1

Answer:

$the \: answer \: is \\ {7 {x}^{2} - 12 {y}^{2} } \: \: \: \: \: \: \: \: {7 {x}^{2} - 12 {y}^{2} }$