x2 = 2(11x – 48)

(vii) x² = 2(11x – 48)

Sol. x² = 2(11x – 48)

∴  x² = 22x – 96

∴  x² – 22x + 96 = 0

∴  x² – 16x – 6x + 96 = 0

∴  x (x – 16) – 6 (x – 16) = 0

∴  (x – 16) (x – 6) = 0

∴  x – 16 = 0 or x – 6 = 0

∴  x = 16 or x = 6