bredanativi
bredanativi
10-05-2014
Mathematics
contestada
solve for x: 2x^2-2x-24=0
Respuesta :
Lilith
Lilith
10-05-2014
[tex]2x^2-2x-24=0 \ \ :2\\ \\x^2- x-12=0 \\ \\x^2- x-3x+3x -12=0\\ \\x^2-4x+3x -12=0 \\ \\x(x-4)+3(x-4)=0[/tex]
[tex](x-4)(x+3) =0\\ \\x-4 =0 \ \ or \ \ x+3 =0 \\ \\x=4 \ \ or \ \ x=-3[/tex]
Answer Link
VER TODAS LAS RESPUESTAS ( 56+ )
Otras preguntas
"Students in a Science lab are working in groups to build both a small and a large electrical circuit. A large circuit uses 4 resistors and 2 capacitors, and a
When the supervisor-to-subordinate ratio exceeds manageable span of control, additional Teams, Divisions, Groups, Branches, or Sections can be established. Whic
An infinite line charge of linear density λ = 0.30 µC/m lies along the z axis and a point charge q = 6.0 µC lies on the y axis at y = 2.0 m. The electric field
A farmer divided his piece of land into 4 equivalent groups. The quality of the soil is the same across the 4 groups of land. He planted the same crop in all 4
Burger Champ, a restaurant chain based in Zaneland, has a subsidiary in Arkadas. In this case, which of the following will be true if Burger Champ adopts a loca
what is the median of the data?what is the IQR?
Chang, Inc.'s balance sheet shows a stockholders' equity-book value (total common equity) of $750 comma 500. The firm's earnings per share is $3.00, resu
3. The molecules H, and Cl, react to form HC1
How can the topic "homework for students” be presented as an argument?
Help with this question, asap!
