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x = 99 = 2 3 :( ) ( )
36 4 . x2 = −b )
.4 +23 = 63 x1x2 = 2b = 6
44 :( ) (
x1 = −2 (x + 2)(x + b) = 0
. x 2 + cx + 6 = 0
.b = 3
x1 + x2 = −2 − b = −c
−2 − 3 = −c
.c =5
.x
.16(120 + 4) × 6(x − 16)
x
16 120 + 4 + 6(x − 16) = 192
x
3x2 − 112x + 960 = 0
x = 112 ± 1122 − 4(3)(960) = 112 ± 1024 = 112 ± 32
6 66
.x2 = 112 − 32 = 13.3 x1 = 112 + 32 = 24
6 6
. x2
.x = 24
:( ) ( )
mn = n
m + n = −m
.n = −2m = −2 m = 1
