(2х-3)^2-4х^2=0 решить, ! забыла, как
veterantitanfaoz8ptr
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11.09.2019 05:00
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2
4x^2-12x+9-4x^2=0
-12x+9=0
-12x=-9
x=(-9)/(-12)
x=9/12
x=3/4