Question

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

Answer 1

Answer:

Here, it seems that the polynomial 9x - 24x + 15 is 225x²/64, i.e., (15x/8)² is subtracted from a perfect square. From this, we can find that when we add 225x²/64 to this polynomial, it becomes a perfect square. Thus the answer would be 225x²/64

Answer 2

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