Question

Find (3c2 - 8c + 5) + (c2 - 8c - 6).

Answer 1

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$\implies{ \mathsf{ {(3c}^{2} - 8c + 5) + ( {c}^{2} - 8c - 6)}} \\ \\ \implies \sf {3c}^{2} - 8c \: + 5 + {c}^{2} - 8c - 6 \\ \\ \implies\sf{3c}^{2} + {c}^{2} - 8c - 8c - 6 + 5 \\ \\ \\ \implies\sf{4c}^{2} - 16c - 1 \\ \\ \\ \tt \: conclusion \ll \implies\sf{4c}^{2} - 16c - 1$

Answer 2

so the answer is 4c^2 - 16c - 1
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