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-4
x = -1/2 or -5 2x2 + 11x + 5 = 0 ⇒ (2x + 1)(x + 5) = 0 ⇒ (2x + 1) = 0 → x = -1/2 or (x + 5) = 0 → x = -5
It is 5.
The answers is =0!
Twice at 1 and 5/2 2x2-7x+5 = 0 (2x-5)(x-1) = 0 x = 1 or x = 5/2