please answer its very urgent...
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Step-by-step explanation:
+ + = 0 ( x ≠ 3, - )
= 0
2x(4x² - 9) + 2x²- 9x + 9 + 6x² + 27x + 27 = 0
8x³ - 18x + 2x² - 9x + 9 + 6x² + 27x + 27 = 0
8x³ + 8x² + 36 = 0
2x³ + 2x² + 9 = 0
x ≈ - 2.06
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