Sunday

April 19, 2015

April 19, 2015

Posted by **ll** on Thursday, May 31, 2012 at 1:10pm.

z^2-7z-18/z^2-4z+4*z-2/z-9

- algebra -
**Steve**, Thursday, May 31, 2012 at 4:45pmz^2-7z-18 = (z-9)(z+2)

z^2-4z+4 = (z-2)(z-2)

so,

(z-9)(z+2)/(z-2)(z-2) * (z-2)/(z-9) = (z+2)/(z-2)

Algebra - Solve S=a/(1-r) for r S = a/(1-r) Multiply both sides by 1-r S*(1-r...

Algebra - Can you please check my work? You have helped other students I know. ...

Algebra (check my answers) - Please check these answers. Multiply -7(2a2 -4) = -...

someone help - my post is still on this page as algebra, could someone elaborate...

algebra - Solve. x/9-1/7=26/63 STEP 1: The LCM is _________ To clear ...

Algebra - 1. solve 3-w/6-w = 3/w-6 2. Find the LCM of (8+9z), (64-81z^2), and (8...

Algebra - Multiply and simplify completely 1. (x-2y)^3 Simplify 2. 2(-3x^3 y^2)^...

Algebra - I having a hard time with this word problem: A backyard has dimensions...

Algebra - Simplify 1/r=1/x+1/y Multiply both sides by rxy. Then simplify. I will...

algebra - How do you simplify [2/(x+4)]+2 ----------- [3/(x+4)]+1 I know the ...