Respuesta :

josshyaby

Answer:

Step-by-step explanation:

27a^2x2 + 45a^2x + 36a^2=9a^2

54a^2 + 90xa^2 + 72a^2 = 9a^2

Collecting like terms

90xa^2 = 9a^2 - 72a^2 - 54a^2

90xa^2 = -117a^2

Dividing each side by 90a^2

x = -117a^2/90a^2

x = -117/90

x = -13/10

X = -1 3/10

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