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sergey [27]
3 years ago
15

Solve the quadratic equation y^2-5y=-4 by factoring.

Mathematics
1 answer:
yan [13]3 years ago
8 0
y^2-5y=-4\\
y^2-5y+4=0\\
y^2-y-4y+4=0\\
y(y-1)+4(y-1)=0\\
(y+4)(y-1)=0\\
y=-4 \vee y=1

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