(х+1)² = 7х-3х²
х²+2х+1=7х-3х²
4х²-5x+ 1=0
D=25-16=9 √D=3
x₁=(5+3)/8=1
x₂=(5-3)/8=1/4
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(х+1)² = 7х-3х²
х²+2х+1=7х-3х²
4х²-5x+ 1=0
D=25-16=9 √D=3
x₁=(5+3)/8=1
x₂=(5-3)/8=1/4