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ldika8
@ldika8
July 2022
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решите уравнение -3x^2+7x+45=(x+6)
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exosoledad
-3x^2+7x+45=(x+6)^2
-4х
^2-5х+9=0
4х
^2+5х-9=0
D=b
^2-4ac
D=13
x1=-5+13/8=1
x2=-5-13/8= -9/4
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Answers & Comments
-4х^2-5х+9=0
4х^2+5х-9=0
D=b^2-4ac
D=13
x1=-5+13/8=1
x2=-5-13/8= -9/4