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 ( 46+ )
Otras preguntas
two examples of the exercise of presidential power
Use the square root property of equality to solve (x – 3)2 = –4
When studying a pedigree, how do scientists determine if an autosomal trait is dominant or recessive?
What part of the nervous system is responsible for accelerating the heart rate in an emergency?
what historical event does bruchac recall participating in ? A)The march on Washington B)The Watergate hearings C)The Vietnam war D) The kent state shooting
A line with a slope of 2 passes through (3,9). Which choice is an equation of this line?
Which is NOT a helpful way to track sources for a research paper? using note cards using source cards completing a web diagram writing source information on pho
A coastline is a stretch of land along a lake.True or False?
Please help! What is the equation of this graphed line? Enter your answer in slope-intercept form in the box.
The panic in 1741 in new york city was sparked by
