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2x2 - 9x + 3 = 0

Using the quadratic formula:

x = [9 ± sqrt(92 - 4*2*3)]/(2*2)

= [9 ± sqrt(81-24)]/4

= [9 ± sqrt(57)]/4

= 0.36254 or 4.13746 (to 5 dp)

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13y ago

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