x(x^2-1)/1-x^2

Question

0

532

1

is it possible to make this smaller?

x(x^2-1)/1-x^2

Guest Dec 2, 2015

+128579

+10

Best Answer

x(x^2-1)/ (1-x^2 ) factor a negative out of (x^2 - 1) = - (1 - x^2) ......and we have....

[x] [ - (1 - x^2)] / (1 - x^2) =

[-x (1 - x^2)] / (1 - x^2) =

-x [ this is a good "trick" to remember.....!!!!]

CPhill Dec 2, 2015

CPhill · Answer 1 · 2015-12-02T10:34:32

x(x^2-1)/ (1-x^2 ) factor a negative out of (x^2 - 1) = - (1 - x^2) ......and we have....

[x] [ - (1 - x^2)] / (1 - x^2) =

[-x (1 - x^2)] / (1 - x^2) =

-x [ this is a good "trick" to remember.....!!!!]