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Mathematics
Annabella Key
10 October, 20:20
Simplify 3x (x^2 + 2x + 4)
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Hillary Dickson
10 October, 20:59
0
He's or she is right x=4
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Kenneth Kramer
10 October, 22:23
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Answer: x - 4
Step-by-step explanation:
3x - (2x + 4)
3x + ( - (2x) - 1 · 4
Multiply 2 by - 1.
3x + (-2x - 1 · 4)
Multiply - 1 by 4.
3x + (-2x - 4)
Remove unnecessary parantheses.
3x - 2x - 4
Subtract 2x from 3x.
x - 4
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