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Liula [17]
3 years ago
15

What is equivalent to the expression (x+3)(x-7)+(x+8)(x+3)

Mathematics
1 answer:
MakcuM [25]3 years ago
8 0

Answer:

2x^2+7x+3

Step-by-step explanation:

(x+3)(x-7)+(x+8)(x+3)

(x^2-4x-21)+(x^2+11x+24)

x^2-4x-21+x^2+11x+24

2x^2+7x+3

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Read 2 more answers
Would really appreciate if you can comment step by step of how you get the answers.
lana66690 [7]

Answer:

I hope this helps ^w^

Step-by-step explanation:

If this is a school paper, at the bottom or top there is usually a site. In this site, you search it up and type answer key. Then, if you are lucky the link would sent you to the answer key. If not, you can search up on yt how to do this such as x, y, z if still you can join study groups on cord. And lastly, if none of those work try messaging some friends. I wish you luck,

4 0
3 years ago
PLS HELP ILL MARK BRAINLIST
Ipatiy [6.2K]

Answer:

76 m²

Step-by-step explanation:

The figure has been decomposed into 3 rectangles as shown in the attachment. Therefore:

Area of the figure = area of rectangle 1 + area of rectangle 2 + area of rectangle 3

✔️Area of rectangle 1:

Area = L*W

L = 2 m

W = 4 m

Area = 2*4 = 8 m²

✔️Area of rectangle 2:

Area = L*W

L = 4 m

W = 6 - 4 = 2 m

Area = 4*2 = 8 m²

✔️Area of rectangle 3:

Area = L*W

L = 10 m

W = 6 m

Area = 10*6 = 60 m²

✅Area of the figure = 8 + 8 + 60

= 76 m²

7 0
3 years ago
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