(a-1)x^2-x-(a-2)
Factorise it.
arbaazaslam:
please solve this eqiation.
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Answers
Answered by
56
(a-1)x^2-x-(a-2)
=(a-1)x^2-{(a-1)-(a-2)}x-(a-2)
=(a-1)x^2-(a-1)x+(a-2)x-(a-2)
=(a-1)x(x-1)+(a-2)(x-1)
=(x-1){(a-1)x+a-2}
=(a-1)x^2-{(a-1)-(a-2)}x-(a-2)
=(a-1)x^2-(a-1)x+(a-2)x-(a-2)
=(a-1)x(x-1)+(a-2)(x-1)
=(x-1){(a-1)x+a-2}
Answered by
26
Answer :
Hey Mate,
Given Eq : => (a-1)x² - x - (a - 2)
Solution :
=> (a-1)x² - x - (a - 2)
=> (a - 1)x² - [ (a - 1) - (a - 2) ]x - (a - 2)
∵( [ (a - 1) - (a - 2) ] = a - 1 - a + 2 = 1 )
=> (a - 1)x² - (a - 1)x + (a - 2)x - (a - 2)
=> (a - 1) x (x - 1) + (a - 2) (x - 1)
=> (x - 1) [ (a - 1) x + a - 2]
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