30 divided by 5 is 6, so the other term is (x+6). (x+5)(x+6) becomes x^2+11x+30, so k is equal to 11.
Step-by-step explanation:

Answer:
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2k/-2.6=12 is the word sentences as an equation
27 = 2x + 3
- 3 - 3
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24 = 2x
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2 2
12 = x or x = 12