15. Solve the equation: x² + 18x + 81 = 9

2 answers:

6 0

Answer:

x= -6,-12

Step-by-step explanation:

Gnoma [55]3 years ago

5 0

Answer: x = -6 and or x = -12

Step-by-step explanation:

there could be two possible answers to your question hope this helps.

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