barberrussell2
barberrussell2
12-06-2018
Mathematics
contestada
One of the solutions to x^2-2x-15=0
Respuesta :
datguiser
datguiser
12-06-2018
Factor the equation out into (x-5)(x+3)
(x-5)=0
x=5
(x+3)=0
x=-3
x=5, -3
Answer Link
Shaelrana
Shaelrana
12-06-2018
x^2-2x-15=0
or, x^2-5x+3x-15=0
or, x(x-5)+3(x-5)=0
or, (x-5) (x+3)=0
Either, Or,
x-5=0 x+3=0
x=5 x= -3
Answer Link
VER TODAS LAS RESPUESTAS ( 48+ )
Otras preguntas
Universal developmental patterns, individual development, and social and cultural experiences are essential elements of
If a point in quadrant l is reflected across the x-axis, where is the reflection located?
What are goals of the American Red Cross?
Match the following terms and definitions. Definitions-Powerhouse of the cell Protein produces Shipping and packaging Center Food and pigment storage Transporta
Which endocrine gland secretes hormones that help the body adapt to stressful situations and release hormones that can reduce inflammation?
What must happen before meiosis can begin?
thomas creates the table shown to represent the function ƒ(x) = x2 + 3x - 10. determine the zeros of the equation. A) x=-5 and x=2 B) x=0 and x=-3 C) x=0 and
What are the names of the two tectonic plates that meet in california?
When deciding whether to invest in specialized training for a particular job position, which would be the most important thing to consider? A) the details o
What evidence led to the conclusion that Earth's core is mostly iron?
