9х^2+16=24x
9x^2-24x+16=0
a=9;k=-12;c=16
D=k^2-ac
D=144-9*16=0
x=1*одна третья
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ну лови
9х^2 + 16 = 24x
9x^2 - 24x +16 = 0
D = 576 - 4*9*16 = 0
x = 24/18 = 4/3
9х^2+16=24x
9x^2-24x+16=0
a=9;k=-12;c=16
D=k^2-ac
D=144-9*16=0
x=1*одна третья