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Rashid [163]
2 years ago
7

Finish the polynomial by adding one number to make it a perfect square x^2+18x+

Mathematics
1 answer:
dsp732 years ago
6 0

Answer:

81

Step-by-step explanation:

{x}^{2}  + 18x + {(( \frac{1}{2})(18)) }^{2}

{x}^{2}  + 18x +  {9}^{2}

{x}^{2}  + 18x + 81

{(x + 9)}^{2}

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