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Wow! So first off, you must distribute into the parentheses. So lets do one at a time. -2(3x-4) is saying -2 x 3x + -2 x -4. can you solve this?
-6x + 8x
great. Now that is raised to the power of 2 so it becomes -6x^2 + 8x^2 correct?
Would you add -6 to 8 which gives you 2 and then square it?
Or do you have to do them separately?
good so now lets move on... the next part is tricky but you have to pay attention. even though it says (4 -3x) its really saying 1 x 4 - 1 x 3x what is 1 x 4 - 1 x 3x?
oh to answer your previous question, you wouldn't add them, because they aren't the same terms. one has an exponent and one doesn't
Wouldn't it still be the same thing?
You're multiplying it by 1 which gives you the same rhing
yes, but you have to understand the concept because that basically what this hole problem is
so now we have -6x^2 + 8x^2 + 4 -3x the last part is basically the same thing. so now we have -6x^2 + 8x^2 + 4 - 3x +1 +2x right?
so now what we do is we combine like terms.
what are the like terms in the equation?
Would it be -24x^2+53x-28
not quite... whats -6x^2 + 8x^2? -6 + 8 = ?
2x^2. Correct. What would 4 + 1 be?
5 great! now what would -3x + 2x be?
Great!! So in the end the final answer actually changes. You write you answer from highest to lowest degree of exponent. Answer: 2x^2 - 1x + 5
do you get it?
if not let me know and I'll try and explain it better.
But for my answer book it doesn't say rhat
Are you sure? what are the answer choices?
it is written
here I will take a picture of it and show it to you
just hold on a sec please
wow... I probably got it mixed up explaining it to you.Let me solve it on paper and then I'll post my steps and solution ok? give me one minute
thank you so much! yeah I got super confused as well
that is the answer
wow... I have no idea what I did wrong. I usually always get these right!!!!
I apologize that wasn't much help!
That is ok! I just don't know how to do it haha
hahah, looks like i need more practice!
don't forget to close this question if it is already answered!!:P
but it wasn't answered yet
I am not sure how to do this, please help!! and thank you
but sombody has already helped you and i think that person explained good enough this is open STUDY not some answer sight. Yes we can help you but you have to figure out the answer ur self.
You need to use FOIL/the distributive property. Then combine like terms |dw:1442007209485:dw|
@Spring98 chill. the answer above wasn't right
yes I know that, if you dont want to give me the answer that is ok. but I need help to know how to do it on my own the next time
@Anguyennn does what I posted make sense?
I am just viewing it right now
yes! I understand it now. thank you so much would you have to use the foil method for the next question as well?
@peachpi thank you!