Answer:
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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