Question

Разложите на линейные множители квадратный трехчлен:: 6х2 – 5х – 1


(6х - 1)(х + 1)


(х + 1/6)(х – 1)


(6х + 1)(х – 1)


(6х + 1)(х + 1)

Answer 1

$6 {x}^{2} - 5x - 1 = 6 {x}^{2} + x - 6x - 1 = x(6x + 1) - (6x + 1) = (6x + 1)(x - 1)$