SOLUTION: a^2-2a-48=0

Algebra.Com
Question 575948: a^2-2a-48=0
Found 2 solutions by nerdybill, josmiceli:
Answer by nerdybill(7384)   (Show Source): You can put this solution on YOUR website!
a^2-2a-48=0
factoring the left:
(a+6)(a-8)=0
a = {-6, 8}

Answer by josmiceli(19441)   (Show Source): You can put this solution on YOUR website!


Complete the square:
Take 1/2 of the coefficient of ,
square it and add it to both sides



Take the square root of both sides


and, also, taking the negative root,


---------



RELATED QUESTIONS

Factor... (answered by scott8148)
a^2-2a-a=0 (answered by checkley79)
factor the following... (answered by edjones)
a ^2 -2a = 35 =... (answered by rapaljer)
Solving equations by completing the square! r^2+2r-33=0. 6. a^2-2a-48=0. thank... (answered by Edwin McCravy,lwsshak3)
a(2a+5)+2(2a+5) (answered by swincher4391)
Factor:... (answered by rapaljer)
a/2+2a/5 (answered by checkley79)
4a^ + 2a - [ (a - 2)^... (answered by ikleyn)