H Helga New member Joined Nov 28, 2006 Messages 1 Nov 28, 2006 #1 X2-3x-10 . X2+8x X2+2x X2+3x-40 all X2's are x squared can someone help me with this ? I'm new at this.
X2-3x-10 . X2+8x X2+2x X2+3x-40 all X2's are x squared can someone help me with this ? I'm new at this.
skeeter Elite Member Joined Dec 15, 2005 Messages 3,204 Nov 28, 2006 #2 factor each numerator and denominator ... \(\displaystyle \L \frac{(x-5)(x+2)}{x(x+2)} \cdot \frac{x(x+8)}{(x+8)(x-5)}\) now ... something really easy ... cancel the common factors in the numerator and denominator. what do you get?
factor each numerator and denominator ... \(\displaystyle \L \frac{(x-5)(x+2)}{x(x+2)} \cdot \frac{x(x+8)}{(x+8)(x-5)}\) now ... something really easy ... cancel the common factors in the numerator and denominator. what do you get?
