Question

subtract 4 (2b - 7 a +4) from 3 (7b+4 a -10)​

Answer 1

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$3(7b + 4a - 10) - 4(2b - 7a + 4) \\ \\ 21b + 12a - 30 - 8b + 28a - 16 \\ \\ 13b + 40a - 46$

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Answer 2

$3(7b+4a−10)−4(2b−7a+4)21b+12a−30−8b+28a−1613b+40a−46</p><p>$

Hope it helps ❣️

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