Решение квадратных уравнений.
1) х^2=-15х-56
2)х^2+16х=-63
3)4х+1=-4х^2
4) 4/5х^2-7/5х-3/2=0
5)5(х-2)=(3х+2)(х-2)
6) х^2+2х/2=х^2+24/7
1) х^2=-15х-56
2)х^2+16х=-63
3)4х+1=-4х^2
4) 4/5х^2-7/5х-3/2=0
5)5(х-2)=(3х+2)(х-2)
6) х^2+2х/2=х^2+24/7
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Answers & Comments
x₁=-7
x₂=-8
2)х^2+16х=-63
x₁=-7
x₂=-9
3)4х+1=-4х^2
x= -1/2
4) 4/5х^2-7/5х-3/2=0
x₁=5/2
x₂=-3/4