Posted by Rowley on Sunday, August 22, 2010 at 9:55am.
how do you solve:
x²2x15 ≤ 0
please help :)

Math  Jen, Sunday, August 22, 2010 at 10:01am
You want to get two numbers that multiply to the last term (15) and add to the middle term (2). These numbers are 5 and 3. (x5)(x+3) is your answer

Math  Rowley, Sunday, August 22, 2010 at 10:14am
oh so that's it? lol i did that but i thought it wasn't correct and i've been trying other methods for the past hour. thatnx alot :)

Math  Jen, Sunday, August 22, 2010 at 11:30am
LOL..you're welcome
Answer This Question
Related Questions
 algebra 1 help please  4) a student score is 83 and 91 on her first two quizzes...
 Algebra 2  Solve. 4a2≤a+1≤3a+4 4a21≤a+11≤3a+41 4a...
 Differentials (calc)  Solve the Poisson equation ∇^2u = sin(πx) for ...
 PRE  CALCULUS  Eliminate the parameter t. Find a rectangular equation for the ...
 Math  Solve the inequality and express the solution in terms of intervals: x2/...
 Algebra 2  Did I solve this quadratic inequality correctly? Is my work correct...
 Math  Solve the inequality. Then graph the solution on a number line. 16 is ...
 Pre Calculus  sec x = 2 , π ≤ x ≤ 3π Use a calculator to...
 Math  The function b(h) models the percent of a certain wildflower that blooms ...
 Math/Trigonometry  1. Solve: 2 cos² x  3 cos x + 1 = 0 for 0 ≤ x < ...
More Related Questions