Question

plz help me in doing this

Answer 1

$<h2><font color = red > hey there$



$<font color = black > here we go.....$



$(x {}^{4} + 4x {}^{2} y {}^{2} - 7x {}^{2} y {}^{2} - 28y {}^{4}$





$x {}^{4} - 3x {}^{2} y {}^{2} - 28y {}^{4}$



so, the answer is option B


Hope it helps you

Thanks for asking....


@ Prabhudutt