Only answer if yk it's correct i'll give correct brainliest!

Factor the expression completely:

16-40x^4

- 8 (5x^4 - 2)

Step-by-step explanation:

Both can be simplified by 8.

16 - 40 x^4 (8·2) - (8·5) x^4

Subtract the 2nd half of the equation to place it in the front. There becomes an addition sign in the front of (8·2) because 8 is positive, but 8 is still negative.

(8·2) - (8·5) x^4 - (8·5) x^4 + (-8·2)

Then you'll factor out the only common number {-8} and then place the rest of the equation together. It remains a negative 8 because negative is more powerful than positive when they are factored together.

- (8 ·5) x^4 + (-8·2) - 8 (5x^4 - 2)

Answer: - 8 (5x^4-2)

Step-by-step explanation:

The greatest common factor of 16 and - 40 is - 8.