SOLUTION: Solve y2 + 8y = -15 by factoring.
Algebra
->
Radicals
-> SOLUTION: Solve y2 + 8y = -15 by factoring.
Log On
Algebra: Radicals -- complicated equations involving roots
Section
Solvers
Solvers
Lessons
Lessons
Answers archive
Answers
Click here to see ALL problems on Radicals
Question 446953
:
Solve y2 + 8y = -15 by factoring.
Answer by
algebrahouse.com(1659)
(
Show Source
):
You can
put this solution on YOUR website!
"Solve y2 + 8y = -15 by factoring."
y² + 8y = -15
y² + 8y + 15 = 0 {added 15 to both sides}
(y + 5)(y + 3) = 0 {factored into two binomials}
y + 5 = 0 or y + 3 = 0 {set each factor equal to 0}
y = -5 or y = -3 {solved each equation for x}
www.algebrahouse.com