SOLUTION: i need help with -3x(4-7)

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Question 551243: i need help with -3x(4-7)
Answer by MsRedz123(24) About Me  (Show Source):
You can put this solution on YOUR website!
1st solution:
-3x(4-7)
-3x(4) -3x(-7)
-12x + 21x
9x
2nd solution:
-3x(4-7)
-3x(-3)
9x
U can choose which solution makes u feel comfortable but both of them are correct.