( x ^2 - 4 )/ x = 3
how did this part happened? ( from step no.2)
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ii think this question is wrong
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Answer:
x = -1 or x = 4
Step-by-step explanation:
( x^2 - 4 )/ x = 3
x^2 - 4 = 3 x
x^2 - 4 - 3 x = 0
x^2 - 3 x - 4 = 0
Solve this equation by splitting middle term
x^2 -4 x + x - 4 = 0
Take common
x (x - 4) +1 (x - 4) = 0
(x + 1) (x - 4) = 0
(x + 1) = 0 or (x - 4) = 0
x = -1 or x = 4
Hence the value of x = -1 or x = 4
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