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Mathematics
Derek Tapia
24 January, 21:38
Expand and simplify
(2x + 3) (4x + 5) - 8x (x² - 2)
+5
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1
)
Sylvia Harmon
24 January, 23:42
0
-8x^3 + 8x^2 + 38x + 15
Step-by-step explanation:
(2x + 3) (4x + 5) - 8x (x² - 2)
8x^2 + 10x + 12x + 15 - 8x^3 + 16x
8x^2 + 38x + 15 - 8x^3
-8x^3 + 8x^2 + 38x + 15
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