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Expand(-2a-3b-4c)^2usingidentity. |
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Answer» ONG>Answer: 4a^2 + 9b^2 + 16c^2 + 12ab +16ac + 24bc Step-by-step explanation: Expand(-2a-3b-4c)^2 usingidentity Solution: (-2a-3b-4c)^2 = (-2a)^2 + (-3b)^2 + (4c)^2 + 2 * (-2)a * (-3)b + 2 * (-2)a * (-4)C + 2 * (-3)b * (-4)c = 4a^2 + 9b^2 + 16c^2 + 12ab +16ac + 24bc |
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