Question

упрастите выражение
-2 (8a+7b)+4(a-2b)

Answer 1

-2(8a+7b)+4(a-2b)
-16a-14b+4a-8b
-12-22b

Answer 2

= - 16а - 14b + 4a - 8b = -12a - 22b
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