Question

3a²c-4bc+3ab-(-bc-7c) solve this by taking value A equal to 1,B equal to 2 and C equal to -1 (answer is 2)​

Answer 1

Answer:

$3 \times {1}^{2} \times ( - 1) - 4 \times 2 \times ( - 1) + 3 \times 1 \times 2 -( - 2 \times - 1 - 7 \times - 1) \\ = - 3 + 8 + 6 - 9 \\ = 14 - 12 \\ = 2$

Step-by-step explanation:

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Answer 2

Answer:

answer is 2

Step-by-step explanation:

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