lalaelle7 lalaelle7

16-03-2020
Mathematics

contestada

Find all solutions to: 54x+3x^2+243

Respuesta :

amna04352 amna04352

16-03-2020

Answer:

-9

Step-by-step explanation:

3x² + 54x + 243 = 0

x² + 18x + 81 = 0

x² + 9x + 9x + 81 = 0

x(x + 9) + 9(x + 9) = 0

(x + 9)² = 0

x = -9

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