Seudónimo Seudónimo
  • 01-04-2015
  • Mathematics
contestada

2x squared plus negative 5 - 10 equals zero

Respuesta :

Panoyin
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
Answer Link
Аноним Аноним
  • 01-04-2015
X² will be 7.5 i think the person who answered it below did a very good job congratulation 
Answer Link

Otras preguntas

1/8 - 1/4 (3 - 1/2) + 2/3
The question is in the picture is asking for the one that is NOT true, here are the answers Choices A.
A concave mirror of focal length 10 cm forms an upright and diminished image of a real object placed at a distance of 5 cm from the mirror. Is this true or fals
I’m doing order of operation (14+16)/2-10
2(4+-8)⁶+3 evaluate the Expression
0.08 is 30%?TrueFalse
Can someone explain how to answer this problem Write an equation in point-slope form given the following: (1,2); m=7 thanks
Express the terms of the following sequence by giving a recursive formula.15 -1, -3, -5 ...О А.Q1= 1/3 and anti(15)an - 15, where n = 1, 2, 3, 4, ...OB.a1ſ and
How do I do this my teacher just assigned this and I don’t know what to do ?
1. select all equations 2. select all equations 3.select all equations