Question

What number can be add to


`{9x}^(2) + 24x`
to make it a perfect square
•∆•​

Answer 1

The required number will be 16

the expression will be like :

• 
  `9 {x}^(2) + 24x + 16`

• 
  `(3x) {}^(2) + (2 * 3x * 4) + (4) {}^(2)`

• 
  `(3x + 4) {}^(2)`

hope it helps you cap !!

Anti - Venom