Question 258210
3{[7(x - 2) + 4] - [2(2x - 5) + 6]}
:
Begin with inside brackets, multiply and clear those
3{[7x - 14 + 4] - [4x - 10 + 6]}
Which is
3{[7x - 10] - [4x - 4]}
removing the next inside bracket, involves changing the signs of (4x - 10) because of the negative
3{7x - 10 - 4x + 4]}
:
3(3x - 6) = 9x - 18 your answer!!
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