simple problem i just forgot the steps

Eva Barragan

New member
Joined
Feb 8, 2006
Messages
44
the derictions say: FACTOR

x^2-2.25

i tried to solve it but i keep getting weird awnsers
your help will be muchhh apreciated
thanx :D
 

royhaas

Full Member
Joined
Dec 14, 2005
Messages
832
Start with \(\displaystyle x^2-2.25=x^2-1.5^2\).
 

TchrWill

Full Member
Joined
Jul 7, 2005
Messages
856
The derictions say: FACTOR

x^2-2.25

i tried to solve it but i keep getting weird awnsers
your help will be muchhh apreciated
thanx :D

Any expression f the form x^2 - y^2 is equivalant to (x + y)(x - y)

If you recognize that the square root of 2.25 is 1.15, then the factorization becomes (x + 1.5)(x - 1.5).
 

Eva Barragan

New member
Joined
Feb 8, 2006
Messages
44
thanx
it really did help
i appreciate the time you put into this problem
thanx :D
 
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