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Julli [10]
4 years ago
6

What are the solutions to the equation x2 + 6 = 87? A. –10 and 10 B. The equation has no solutions. C. –6 and 6 D. –9 and 9

Mathematics
1 answer:
kakasveta [241]4 years ago
8 0
X² + 6 = 87
<u>     - 6   - 6</u>
       x² = 81
       x = <u>+</u>9
x = 9    U    x = -9
The solution set is equal to D. {<u>+</u>9}.
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