Question

6 ( 3a + Чb) -8 (3а+чь)²​

Answer 1

Answer:

$6(3a + 4b) - 8(3a + 4b) {}^{2} \\ 18a + 24b - 8(9a {}^{2} + 16b {}^{2} + 24ab) \\ 18a + 24b - 72a {}^{2} - 128b {}^{2} - 192ab$

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