Question

2abc-3ab
3ab

Answer 1

Typo. Correct problem 2abc-3ab. A=2 b=-3 c=4

Answer 2

replace a b and c by their values

Answer 3

there is an edit button at the top so you can correct that no need to close it :-)

Answer 4

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Answer 5

I corrected the problem in the comments can you help me solve it please. And thank you I couldnt find the edit button.