factories x^2 - 3x - 28
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Answer:-
x² - 3x - 28 = 0
x² - 7x + 4x - 28 = 0
x ( x - 7 ) + 4 ( x - 7 ) = 0
( x + 4 ) ( x - 7 ) = 0
x = -4 , x = 7
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Ans: x = -4,x = 7
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