A)3X^2 +11X+6=0 Б)4X^2-11-11X+6=0

Question

A)3X^2 +11X+6=0 Б)4X^2-11-11X+6=0

Answer 1

3X^2 +11X+6=0 
D = 121-72 = 49 (7)
x1 = (-11+7)\6 = -2\3
x2 = (-11-7)\6 = -3

Б)  4X² -11х+6=0

D = 121-96 = 25 (5)
х1 = (11+5)\8 = 2 
х2 = 3\4

Comments

11один раз

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2-11x

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+6+0