Question

Plz solve my question ​

Answer 1

Answer:

answer is given for the given problem

Answer 2

$(4x ^{2} - 16x^{2} ) + (9y^{2} - 24y ^{2} + 16z ^{2} + 12xy$

$- 12 x^{2} - 15y ^{2} + 16z ^{2} + 12xy$

solve...

plz thnx....