Question

Subtract and simplify: (4p2q – pq2 + q3) – (3p2q + 2pq2– q3)

A. p2q – 3pq2+2q3
B. p2q – 2pq2
C. p2q – 3pq2
D. 2p2q – 3pq2

Cna you help me simplify the problem? @KendrickLamar2014

Answer 1

Ok this is kind of long so have patience :)

Answer 2

Ok. :)

Answer 3

I changed the equation to addition, would you like to correct my work so far?

Answer 4

Yes please

Answer 5

Okay :) Just give me a minute to type it in.

Answer 6

Ok

Answer 7

Okay, combine like terms. Then you get the answer of A. Need more clarification?

Answer 8

Please @DIDITHEDAD we are trying to learn not give answers.

Answer 9

I understand that, and I didn't.

@BlossomCake Do you need more clarification about combining like terms?

Answer 10

Combining Like Terms isn't even the first step, that's the last step

Answer 11

\[(4p^2q - pq^2 + q^3) - (3p^2q + 2pq^2 - q^3)\]\[(4p^2q - pq^2 + q^3) + (-3pq^2) + (-2pq^2) + (-1q^3)\]

Answer 12

Thanks for wanting to help, but I would rather go over the problem one-on-one so that I can understand what I am learning. Thanks anyways. :) @DIDITHEDAD

Answer 13

Oh, sorry. Forgot about that. I always do that in my head and forget to write it down lol. First, multiply the RIGHT set by -1 THEN combine the like terms. Does that make more sense?

Answer 14

Okay, feel free to tag me anytime!

Answer 15

Anyways, I believe the next step is to combine the like terms after what I just did... Right? @KendrickLamar2014

Answer 16

Yes, I know I have to multiply the right set by -1. :P And yes, it makes sense. @DIDITHEDAD

Answer 17

Yes, can you Combine Like Terms by yourself or do you need me to explain the steps??

Answer 18

I will try :D

Answer 19

\[by~ the~ way~ its~ 1q^3 or ~q^3 \]

Answer 20

not -1q^3 ^

Answer 21

\[(4p^2q - pq^2 + q^3) - (3p^2q + 2pq^2 - q^3) \]\[(4p^2q - pq^2 + q^3) + (-3pq^2) + (-2pq^2) + (-1q^3) \]\[(4p^2q) + (-1pq^2 + -3pq^2 + -2pq^2) + (q^3 + -q^3)\]\[(4p^2q) + (-6pq^2)\]

Answer 22

Wait! I did something wrong!

Answer 23

Yes, your answer is wrong

Answer 24

Step-By-Step:
Combine Like Terms:
4p^2q + -pq^2 + q^3 + -3p^2q + -2pq^2 + q^3

Answer 25

\[(4p^2q - pq^2 + q^3) - (3p^2q + 2pq^2 - q^3) \]\[(4p^2q - pq^2 + q^3) + (-3p^2q) + (-2pq^2) + (-q^3) \]\[(4p^2q + -3p^2q) + (-1pq^2 + -2pq^2) + (q^3 + -q^3)\]\[(1p^2q) + (-3pq^2)\]

Answer 26

OR

Answer 27

\[= (4p^2q + -3p^2q) + (-pq^2 + -2pq^2)+(q^3 + q^3)\]

Answer 28

That answer ^ is almost right, you just forgot something

Answer 29

\[(4p^2q - pq^2 + q^3) - (3p^2q + 2pq^2 - q^3) \]\[(4p^2q - pq^2 + q^3) + (-3p^2q) + (-2pq^2) + (-q^3) \]\[(4p^2q + -3p^2q) + (-1pq^2 + -2pq^2) + (q^3 + -q^3) \]\[(p^2q) + (-3pq^2)\]

Answer 30

The q^3 cancels the other one out, right?

Answer 31

You forgot to add:\[q^3 + q^3\]

Answer 32

They don't cancel out because there both positives <--- theres ur mistake

Answer 33

Are you sure about that?

Answer 34

Yup

Answer 35

Hmm... Ok.

Answer 36

\[Answer: p^2q - 3pq^2 + 2q^3\]

Answer 37

Are you sure it's not C. ??

Answer 38

How does it become: \[2q^3\]

Answer 39

100% sure its A

Answer 40

\[1q^3 + 1q^3 = 2q^3\]

Answer 41

Oh! Okay, now I understand! :D

Answer 42

Yay

Answer 43

Thanks for your help, again!

Answer 44

No Problem

Answer 45

Can you check my next one? @KendrickLamar2014

Answer 46

I can post a new question and you can check it their....

Answer 47

OK, sounds good