4а²+а-3 4(х+1)(х-0,75) 4(х-0,75)
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а²-а-2 (х+1)(х-2) (х-2)
Д=1+48=7² х₁=-1 х₂=0,75
Д=1+8=3² х₁=-1 х₂=2
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4а²+а-3 4(х+1)(х-0,75) 4(х-0,75)
---------- = ------------------ = ----------
а²-а-2 (х+1)(х-2) (х-2)
Д=1+48=7² х₁=-1 х₂=0,75
Д=1+8=3² х₁=-1 х₂=2