Question

11. Find the missing term in the following perfect squares.
(i) 9m² - ( ) + 64n2 (ii) ( ) + 48x + 64
(iii) 25a2 +120ab +( )
(iv) ( ) -90xy +81y2​

Answer 1

1. (48mn)
2. (9x)
3. (144b^2)
4. (25x^2)