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gizmo_the_mogwai [7]
3 years ago
6

Solve by completing the square. X^2-2x-15=0 (help)

Mathematics
2 answers:
gladu [14]3 years ago
8 0

Step-by-step explanation:

x² - 2x - 15 = 0

x1 = 5

x2 = -3

DiKsa [7]3 years ago
3 0
The answer to this problem is (5,3)
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The first side of a triangle is 9 meters shorter than the second side. The third side is 3 times as long as the first side. The
Alex73 [517]

Answer:

The longest sides is 18 m long.

Step-by-step explanation:

Let x meters be the length of the first side.

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7 0
2 years ago
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Step-by-step explanation:

8 0
3 years ago
Check your answer for 3(p+2)=18
tiny-mole [99]

3(p + 2) = 18

3p + 6 = 18

3p = 12

p = 4

Check:

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This proves that p = 4.

⭐ Answered by Hyperrspace (Ace) ⭐

⭐ Brainliest would be appreciated, I'm trying to reach genius! ⭐

⭐ If you have questions, leave a comment, I'm happy to help! ⭐

7 0
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