(3b^2-27)/(18-6b) = (3(b^2 - 9))/(6(3-b)) = (3(b - 3)(b + 3))/(-6(b-3)) =
= (3(b+3)) / -6 = (b + 3) / (-2)
Ответ: (b + 3) / (-2)
Ответ:
-1,5
Объяснение:
3b × 2 - 27 ÷ 18 - 6b = 6b - 27 ÷ 18 - 6b =
= 6̷b̷ - 1,5 - 6̷b̷ = - 1,5
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(3b^2-27)/(18-6b) = (3(b^2 - 9))/(6(3-b)) = (3(b - 3)(b + 3))/(-6(b-3)) =
= (3(b+3)) / -6 = (b + 3) / (-2)
Ответ: (b + 3) / (-2)
Ответ:
-1,5
Объяснение:
3b × 2 - 27 ÷ 18 - 6b = 6b - 27 ÷ 18 - 6b =
= 6̷b̷ - 1,5 - 6̷b̷ = - 1,5