Question

what should be added to 9x² + 24x to make it a perfect square​

Answer 1

Answer:

6 should be added.

This will make the eq.

9x square - 24x + 16

Step-by-step explanation:

Simplification --

(3x)square + (4)square - (2 * 3x *4)

{using identity (a + b -2ab) = (a-b)whole square}

we get.

(3x - 4)whole square