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malofeevaevaeva
@malofeevaevaeva
July 2022
1
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решите, пожалуйста, у меня что-то не получается :/
x^2 = (4x - 5)^2
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maxum000
x² = (4x - 5)²
х²=16х²-40х+25
х²-16х²+40х-25=0
-15х²+40х-25=0
-3х²+8х-5=0
3х²-8х+5=0
Д=(-8)²-4*3*5=64-60=4
х₁=8-2/6=1 х₂=8+2/6=10/6=1.66
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Answers & Comments
х²=16х²-40х+25
х²-16х²+40х-25=0
-15х²+40х-25=0
-3х²+8х-5=0
3х²-8х+5=0
Д=(-8)²-4*3*5=64-60=4
х₁=8-2/6=1 х₂=8+2/6=10/6=1.66