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Operate with Rational Expressions
Grade Level
Praxis Core
5165.071 Operate with Rational Expressions
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🟡 Medium
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For the expression (4·(x – 5)·(x – 1))/((x + 2)·(x + 8)) + (x – 1)/((x – 4)·(x + 8)), which answer shows the correct simplified form and all domain restrictions?
A
(4·x - 19)/(2·(x + 8)); restrictions: x ≠ -2, 4
B
((x - 1)·(4·x
2
- 35·x + 82))/((x - 4)·(x + 2)·(x + 8)); restrictions: x ≠ -8, -2
C
((x - 1)·(4·x
2
- 35·x + 82))/((x - 4)·(x + 2)·(x + 8)); restrictions: x ≠ -8, -2, 4
D
((x - 6)·(x - 1)·(4·x - 13))/((x - 4)·(x + 2)·(x + 8)); restrictions: x ≠ -8, -2, 4
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