simplify 2a - {3b + 6c square ÷ 2c - (4a - 2b)} and find its value for a=2, b=3 and c=1

October 2023 1 4 Report

simplify
2a - {3b + 6c square ÷ 2c - (4a - 2b)} and find its value for a=2, b=3 and c=1 (bar braket on 6c square ÷ 2c)
please answer fast please

Explanation:

Values are:

2a= 2×2 =4

3b = 3×3=9

6c = 6×1=6

2c is 2

4a is 8

2b is 6

Solving:

4- [9+6²÷2-(8-6)]

4- [9+36÷2-(8-6)]

4- [9+18-(8-6)]

4- [9+18-2]

4- [27-2]

4-25

-21

therefore answer is -21

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