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Factorise X square + 11 x …

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Factorise X square + 11 x + 13
  • 1 answers

Arjun Bhatty 6 years, 8 months ago

b² - 4ac = (11)² - 4(1)(13) = 121 - 52 = 69 x = -b +/- √69/2a. =. -11+/-√69/2 So x = -11 + √69/2. Or. x = -11-√69/2
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