Помогите! С чем сможете! Можете не всё решить, хотя бы некоторые. Как решать?
14х-х^2=48
6x-1=9x^2
6x^2 + 3= -7x
9x^2=4
x^2=4x
n^2=11n-10
14х-х^2=48
6x-1=9x^2
6x^2 + 3= -7x
9x^2=4
x^2=4x
n^2=11n-10
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14х-х² = 48
14х-х²-48 = 0
-х²+14х-48 = 0
х²-14х-48 = 0
D = 196-192 = 4
√D = 2
x1 = (14+2):2 = 8
х2 = (14-2):2 = 6