Question

9y-16
$9y - 16$

Answer 1

☆Hello friend☆

Question has an error, i.e., it will be 9y^2-16

9y^2-16
${(3y)}^{2} - {4}^{2}$
a^2-b^2=(a+b)(a-b)
= (3y+4)(3y-4)

Hope it helps

☺☺☺