Posted by **Sandra** on Wednesday, April 16, 2014 at 12:06am.

Multiply

(x^2 + 8x + 15) / x – 4 * (x^2 – 16) / 2x + 6

- Algebra -
**Steve**, Wednesday, April 16, 2014 at 12:19am
x^2+8x+15 = (x+3)(x+5)

so, you have

(x+3)(x+5)/(x-4) * (x-4)(x+4)/2(x+3)

the x+3 and x-4 cancel, leaving

(x+5)(x+4)/2

- Algebra -
**Sandra**, Wednesday, April 16, 2014 at 12:24am
That really helps, thanks.

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