tylertinesha1405 tylertinesha1405

13-08-2020
Mathematics

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please someone help me

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Respuesta :

speedstick speedstick

13-08-2020

Answer:

81

Step-by-step explanation:

The square of any binomial (ax + b) takes the form a²x² + 2abx + b²

We know a² = 1, meaning a = 1, and that 2ab = 18. So solve for b:

2 * 1 * b = 18

b = 9

Therefore the missing constant term is b² = 9² = 81

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