Seudónimo Seudónimo

01-04-2015
Mathematics

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2x squared plus negative 5 - 10 equals zero

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Panoyin Panoyin

01-04-2015

2x² + (-5) - 10 = =
2x² - 5 - 10 = 0
2x² - 15 = 0
   + 15 + 15
   2x² = 15
   2 2
   x² = 7.5
      x ≈ 2.74

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Аноним Аноним

01-04-2015

X² will be 7.5 i think the person who answered it below did a very good job congratulation

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