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trasher [3.6K]
3 years ago
14

Help due in 15min

Mathematics
1 answer:
Sophie [7]3 years ago
4 0

Answer:

The last lines are the final answers, if you need a deeper explanation let me know but I wanted to make sure you understood and got it in time.

Step-by-step explanation:

2(x+4)-3(y+2x)

2x+8-3y-6x

-4x-3y+8

2d+3(4d+2k)-3k

2d+12d+6k-3k

14d+3k

5(4m-2r+7)+4m+3r

20m-10r+35+4m+3r

24m-7r+35

I hope I didn't get anything wrong in a hurry!

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Answer:

4+36x

Step-by-step explanation:

you multiply the number on the outside of the parentheses with the numbers in the inside of the parentheses.

4 times 1 = 4

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Given:

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\begin{gathered} (4x-1)(2x^2+2x+1) \\ 4x(2x^2+2x+1)-1(2x^2+2x+1) \\ =8x^3+8x^2+4x-2x^2-2x-1 \\ \text{Collecting similar terms together and simplifying further;} \\ =8x^3+8x^2-2x^2+4x-2x-1 \\ =8x^3+6x^2+2x-1 \end{gathered}

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8x^3+6x^2+2x-1

3 0
1 year ago
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Answer:

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