Need some help, please. Simplify

Question

0

397

2

Simplify

Guest Mar 2, 2015

+128732

+8

Best Answer

[x^2 - 4x - 5] / [x^2 - 2x - 3] * [2x^2 - 7x + 3] / [x^2 -25]

Factor everything

[(x -5)(x+ 1)] / [ (x -3)(x+1)] * [(2x -1)(x -3)] / [(x + 5)(x -5)] =

(x-5)/(x -3) * [(2x -1)(x-3)] /[ (x+5)(x-5)] =

(2x -1) / (x+5)

CPhill Mar 2, 2015

CPhill · Answer 1 · 2015-03-02T11:47:56

[x^2 - 4x - 5] / [x^2 - 2x - 3] * [2x^2 - 7x + 3] / [x^2 -25]

Factor everything

[(x -5)(x+ 1)] / [ (x -3)(x+1)] * [(2x -1)(x -3)] / [(x + 5)(x -5)] =

(x-5)/(x -3) * [(2x -1)(x-3)] /[ (x+5)(x-5)] =

(2x -1) / (x+5)

Guest · Answer 2 · 2015-03-03T12:05:38

Thanks a lot CPhill!