Algebra help please.

N00b

New member
Joined
Sep 16, 2005
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1
I've been having some problems with these, if someone could help that's be nice.

Perform the indicated operations and simplify.
x^2 - x - 6 x^2 - 3x - 4
x^2 + 4x + 3 * x^2 - 4x + 3

(Note: This was originally a division problem but I flipped the last fraction to make it multiplication as I think your suppose to, that and I didn't know how to type the division sign.)



Find the lowest common denominator:
5a - 15, 10a - 30



Solve the equation.
2 + x - 1 = x^2 - 1
x + 2 x + 3 x^2 + 5x + 6


Perform the indicated operations and simplify.
pic.php
 
x^2 - x - 6 = (x-3)(x+2)

x^2 + 4x + 3 = (x+3)(x+1)

x^2 - 3x - 4 = (x-4)(x+1)

x^2 - 4x + 3 =(x-3)(x-1)

now rewrite your problem with these and cacel out the common parts.
hope this helps.
 
second problem

For your second problem, do you know what the lowest common denomintor are for

10 and 15

Factor the two expression and apply the same logic.

Does this help?
 
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