if x is not equal to 0, what is (4x)^3/(-4x)3

Question

0

1

867

2

if x is not equal to 0, what is (4x)^3/(-4x)3

Guest May 15, 2014

+2354

+5

Best Answer

I think you mean $$\frac{(4x)^3}{(-4x)^3}$$ instead of $$\frac{(4x)^3}{(-4x)3 }$$

This gives;

$$\frac{(4x)^3}{(-1*4x)^3 } = \frac{(4x)^3}{(-1)^3 (4x)^3 } = \frac{1}{-1} = -1$$ for $$x \neq 0$$

reinout-g May 15, 2014

reinout-g · Answer 1 · 2014-05-15T10:43:17

I think you mean $$\frac{(4x)^3}{(-4x)^3}$$ instead of $$\frac{(4x)^3}{(-4x)3 }$$

This gives;

$$\frac{(4x)^3}{(-1*4x)^3 } = \frac{(4x)^3}{(-1)^3 (4x)^3 } = \frac{1}{-1} = -1$$ for $$x \neq 0$$

Melody · Answer 2 · 2014-05-15T05:03:59

Is there supposed to be a second hat in there?