Question

решите уравнение
a) 10x^2-3=0
b) 9x^2-16
c)2x^2-11x+12=0
d)3x^2+x+11=0

e) x^2-7x
--------------- +1 =0
6

Answer 1

2x^2-11x+12=0
D=121-96=25
X1=(11+5)/4=4
X2=(11-5)/4=1,5