1) |х^2+5х-3|=3
х^2+5х-3=3. х^2+5х-3=-3
х=1. х=0
х=6. х=5
х=-6, х=-5, х=0, х= 1
3) х^2-3х+ 4/х-2 = 4/х-2 =-2
х не равно 2
х^2-3х=-2
х^2-3х+2=0
х= 3+1/2 = 2
х= 3-1/2 = 1
Т. к. х не = 2, х=1
4) (√х - 4)(12х^2+17х-5)=0
√х-4 = 0. 12х^2+17х-5=0
х=16. х=1/4
х=-5/3
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Answers & Comments
1) |х^2+5х-3|=3
х^2+5х-3=3. х^2+5х-3=-3
х=1. х=0
х=6. х=5
х=-6, х=-5, х=0, х= 1
3) х^2-3х+ 4/х-2 = 4/х-2 =-2
х не равно 2
х^2-3х=-2
х^2-3х+2=0
х= 3+1/2 = 2
х= 3-1/2 = 1
Т. к. х не = 2, х=1
4) (√х - 4)(12х^2+17х-5)=0
√х-4 = 0. 12х^2+17х-5=0
х=16. х=1/4
х=-5/3