SOLUTION: -3x(x+4) 2x^3(x-3)= my answers were -12x+-3x^2 and -6x^3+2x^4 and I was marked wrong according to the algebra calculator I was right who is right the teacher or me.

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Question 288101: -3x(x+4)
2x^3(x-3)=
my answers were -12x+-3x^2 and -6x^3+2x^4 and I was marked wrong according to the algebra calculator I was right who is right the teacher or me.

Found 2 solutions by richwmiller, Alan3354:
Answer by richwmiller(17219) (Show Source):
You can put this solution on YOUR website!
Curiously, the only capital letter is for the word I.
Who thinks a little too much of themselves?
You also run all your sentences to together without punctuation.
You seem not to value our time nor our positions as tutors. Why should we answer your question when you also insult your teacher?
Considering that there are no instructions with this "problem", I definitely side with the teacher.
You also don't have the decency to label your "answers" with the associated "problem"
How can there be answers when there are no questions?
You presented two algebraic expressions with no questions. There are no answers.
There are several things wrong with your "answers".
What does +-3x mean?
Your answers should be presented in descending order of exponents not ascending order.

Answer by Alan3354(69443) (Show Source):
You can put this solution on YOUR website!
-3x(x+4)
2x^3(x-3)=
my answers were -12x+-3x^2 and -6x^3+2x^4 and I was marked wrong according to the algebra calculator I was right who is right the teacher or me.
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What's an "algebra calculator?"
What did the teacher say the right answers are?