āϏāĻŽāĻžāϧāĻžāύ āĻ•āϰāĻŋ: \(3y^2-20=160-2y^2\)
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\(3y^2-20=160-2y^2 \)
āĻŦāĻž, \(3y^2+2y^2=160+20 \)
āĻŦāĻž, \(5y^2=180 \)
āĻŦāĻž, \(y^2=\cfrac{180}{5}\)
āĻŦāĻž, \(y=±√36 \)
āĻŦāĻž, \(y=Âą6 \)

\(∴y=6\) āĻ“ \(y=-6\) āĻšāϞ \(3y^2-20=160-2y^2\) āĻĻā§āĻŦāĻŋāϘāĻžāϤ āϏāĻŽā§€āĻ•āϰāύ⧇āϰ āϏāĻŽāĻžāϧāĻžāύ āĨ¤

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