math

Find the product

1. (2x)(10x) (1 point)
20x
12x
20x^2
5x

2. –3m(m + 8) (1 point)
–3m2 + 24
–3m2 – 24m
–24m^2
–4m + 5

3. 4d(2d – 9) (1 point)
8d – 36d
–d
–28d^2
8d^2 – 36d

4. (3x + 4)(x – 2) (1 point)
3x^2 – 2x – 8
x – 8
3x – 2x – 8
3x^2 + 2x + 8

5. (2y – 1)(4y – 3) (1 point)
–2y + 3
8y^2 – 10y – 3
8y^2 – 10y + 3
8y^2 – 2y + 3

i don't even need the answers, i just need to know how to do this because all my textbook wants me to do is exercises, it doesnt teach me ANYTHING:(
but of course, the answers are great too;)

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asked by zumai
  1. i hate to be impatient but im running out of time..... sry:(

    if i do find an answer i will post it

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    posted by zumai
  2. 2 x * 10 x = 2*10 * x *x = 20 x^2

    2. –3m(m + 8)
    = -3 m(m) + -3m(8)
    = -3m^2 - 24 m

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    posted by Damon
  3. 4. (3x + 4)(x – 2) (1 point)
    3x(x-2) + 4(x-2)
    3 x^2 - 6 x + 4x - 8

    3 x^2 -2x - 8

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    posted by Damon
  4. That was using the distributive property. You can also use FOIL if you know it.

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    posted by Damon
  5. thanks Damon:)

    can u help me with #1, #3 and #5???
    and i do not know the FOIL

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    posted by zumai
  6. do the others the same way

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    posted by Damon
  7. #1
    20x

    #2
    8d^2 - 36d

    can you help me with #5??

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    posted by zumai
  8. I just did the test and if you are in Connexus the answers that I got are:

    1. C
    2. B
    3. D
    4. A
    5. C

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  9. For connexus the answers are
    1. C
    2. B
    3. D
    4. B
    5. D

    Thanking "kpop is real" for the not so useful answers and for letting me think I can rely on someone on the Internet to help me with finishing my math class. Please please please to anyone else who looks at this for answers go with these because I'd hate to see more people fail assignments like this.

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    posted by T.
  10. um actually i got a 60% for using T.'s answers so don't go with his

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  11. What does the T. stand for?? And if you aren't going to help then don't even bother to go on this website, I try to put the correct answers or at least the ones that I think are.

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  12. Kpop is real is right. The answers are:
    1. C
    2. B
    3. D
    4. A
    5. C

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  13. Yes Kpop is real is Correct i got a 100%!

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  14. The kpop kid is right

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  15. Kpop answers are correct for connexus

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    posted by Human
  16. kpop is right
    1.C
    2.B
    3.D
    4.A
    5.C

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    posted by yoooo

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