X^2-3x^2-9x-5....... Factorise
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mimi93:
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I'm from Tamil Nadu
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Ooo ok ok....
I'm from tripura
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My name is Shauli Roy
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X² - 3x² - 9x - 5
= -2x² - 9x - 5
D = b² - 4ac = 81 + 40 = 121
Alpha = -b + √d / 2a = 9 + 11 / -4 = -5
Beeta = 9 - 11 / -4 = 1/2
Factors = ( X + 5 ) ( X - 1/2 ) Ans.
= -2x² - 9x - 5
D = b² - 4ac = 81 + 40 = 121
Alpha = -b + √d / 2a = 9 + 11 / -4 = -5
Beeta = 9 - 11 / -4 = 1/2
Factors = ( X + 5 ) ( X - 1/2 ) Ans.
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