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Madelyn Barrera
Mathematics
8 July, 14:41
X-2/x-1=x+4/2x+2 show work
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Nataly Santana
8 July, 14:43
0
x = (i sqrt (7)) / 4 - 3/4 or x = - (i sqrt (7)) / 4 - 3/4
Step-by-step explanation:
Solve for x:
x - 1 - 2/x = 3 x + 2
Bring x - 1 - 2/x together using the common denominator x:
(x^2 - x - 2) / x = 3 x + 2
Multiply both sides by x:
x^2 - x - 2 = x (3 x + 2)
Expand out terms of the right hand side:
x^2 - x - 2 = 3 x^2 + 2 x
Subtract 3 x^2 + 2 x from both sides:
-2 x^2 - 3 x - 2 = 0
Divide both sides by - 2:
x^2 + (3 x) / 2 + 1 = 0
Subtract 1 from both sides:
x^2 + (3 x) / 2 = - 1
Add 9/16 to both sides:
x^2 + (3 x) / 2 + 9/16 = - 7/16
Write the left hand side as a square:
(x + 3/4) ^2 = - 7/16
Take the square root of both sides:
x + 3/4 = (i sqrt (7)) / 4 or x + 3/4 = - (i sqrt (7)) / 4
Subtract 3/4 from both sides:
x = (i sqrt (7)) / 4 - 3/4 or x + 3/4 = - (i sqrt (7)) / 4
Subtract 3/4 from both sides:
Answer: x = (i sqrt (7)) / 4 - 3/4 or x = - (i sqrt (7)) / 4 - 3/4
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Ryan Curtis
8 July, 15:07
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Answer:x = (i sqrt (7)) / 4 - 3/4 or x = - (i sqrt (7)) / 4 - 3/4 would be your answer
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