Allison112200
Allison112200
23-12-2015
Mathematics
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Need help and need to show work
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Panoyin
Panoyin
23-12-2015
(x - 3)(x + 3)²
(x - 3)(x + 3)(x + 3)
(x(x + 3) - 3(x + 3))(x + 3)
(x(x) + x(3) - 3(x) - 3(3))(x + 3)
(x² + 3x - 3x - 9)(x + 3)
(x² - 9)(x + 3)
x²(x + 3) - 9(x + 3)
x²(x) + x²(3) - 9(x) - 9(3)
x³ + 3x² - 9x - 27
The answer is 2.
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