Seudónimo
Seudónimo
01-04-2015
Mathematics
contestada
2x squared plus negative 5 - 10 equals zero
Respuesta :
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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