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15-06-2021
Mathematics

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what number can be add to
[tex] {9x}^{2} + 24x[/tex]
to make it a perfect square
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15-06-2021

The required number will be 16

the expression will be like :

[tex]9 {x}^{2} + 24x + 16[/tex]

[tex](3x) {}^{2} + (2 \times 3x \times 4) + (4) {}^{2} [/tex]

[tex](3x + 4) {}^{2} [/tex]

hope it helps you cap !!

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