Question

За теоремой Виета, некоторые за дискрименантом
СРОЧНООО!!!!
$1)x { }^{2} - 6x + 8 = 0$
$2)x ^{2} + 5x + 6 = 0$
$3)x ^{2} - 2x - 15 = 0$
$4)y^{2} + 7y - 8 = 0$
$5)y^{2} - 10y - 39 = 0$
$6)y^{2} - 15y + 36 = 0$
$7)x^{2} + 99x - 100 = 0$
$8)x^{2} + 548x - 549 = 0$
$9) - x^{2} + 6x - 5 = 0$
$10)x^{2} - 7x + 12 = 0$
$11)3x^{2} + x - 2 = 0$
$12)x^{2} - 5x + 6 = 0$
$13)x^{2} + 7x + 6 = 0$
$14)x^{2} - 8x + 12 = 0$
$15)x^{2} - x - 6 = 0$
$16)x^{2} - 15x - 16 = 0$
$17)x^{2} + 11x - 12 = 0$
















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Answer 1

Ответ:

Объяснение:

Решение дано на фото.