View Full Version : algebra q's
1.(x+2)(x-5)=(x-1)(x-3)
2.(x-3)(x+7) - (x+1)(x+5)=0
Please answer all problems by Monday 7:00 A.M.:confused:
Mr. Hui
11-10-2007, 05:06 PM
1.(x+2)(x-5)=(x-1)(x-3)
2.(x-3)(x+7) - (x+1)(x+5)=0
Please answer all problems by Monday 7:00 A.M.:confused:
1.
(x+2)(x-5)=(x-1)(x-3)
{x^2}-3x-10={x^2}-4x+3
x=13
1.
(x+2)(x-5)=(x-1)(x-3)
{x^2}-3x-10={x^2}-4x+3
x=13Appreciable
This is appropriate enternet speech so dont disapprove
Temperal
11-10-2007, 09:15 PM
2) (x-3)(x+7) - (x+1)(x+5)=0
\Rightarrow x^2+4x-21 - x^2-6x-5=0
\Rightarrow 4x-21-6x-5=0
\Rightarrow -2x-26=0
\Rightarrow -2x=26
\Rightarrow x=-13
Also, Mrs. is one of your double accounts by IP address, and has been banned.
vBulletin® v3.8.5, Copyright ©2000-2010, Jelsoft Enterprises Ltd.