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Find KL.
K
X-1
L
12
M

Find KL. K X-1 L 12 M-example-1
User Benophobia
by
7.6k points

1 Answer

5 votes

Answer:

KL = 9

Explanation:

(7 + x - 1)(x - 1) = 12²

(x + 6)(x - 1) = 144

x² -x + 6x - 6 = 144

reduce:

x² + 5x -150 = 0

(x + 15)(x - 10) = 0

x = -15, x = 10

KL = 10 - 1 = 9

User Tristansokol
by
8.1k points

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