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Blababa [14]
3 years ago
13

Explain how you would solve this problem for x

Mathematics
1 answer:
borishaifa [10]3 years ago
7 0

Answer:

x = 18.

Step-by-step explanation:

The 2 amgles are adjacent so add up to 180 degrees so we have:

x^2 - 11x + 3x = 180

x^2 - 8x - 180 = 0

(x -18)(x + 10) = 0

x = -10, 18.

x = -10 cannot be  correct because that would make the 3x angle = -30.

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