Question

What number can be add to 9x}^{2} + 24x" alt=" {9x}^{2} + 24x" align="absmiddle" class="latex-formula">
to make it a perfect square
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Answer 1

The required number will be 16

the expression will be like :

• $9 {x}^{2} + 24x + 16$

• $(3x) {}^{2} + (2 \times 3x \times 4) + (4) {}^{2}$

• $(3x + 4) {}^{2}$

hope it helps you cap !!

Anti - Venom