(ii) (4x + 5) (4x + 1)
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Answer:
(x + a) (x + b) = x² + (a+b) x + ab
(4x -5) (4x - 1) = (4x)² + (-5 -1) 4x + (-5 × -1)
= 16x² -24x +5
hence solved....
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Sol :-
4x + 5 = 0
4x = –5
x = –5/4
&
4x + 1 = 0
4x = –1
x = -¼
Hence, the value of x are –5/4 & -¼
Hope this will help u