Question

Factor completely 5ax2 − 20x3 + 2a − 8x.

Answer 1

(5x^2 + 2)(a - 4x).

Explanation:

5ax2 − 20x3 + 2a − 8x

Factor by grouping:

5x^2( a - 4x) + 2(a - 4x)

= (5x^2 + 2)(a - 4x).

Answer 2

(a-4x)(5x^2+2)

Explanation:

5ax^2 − 20x^3 + 2a − 8x.

We will factor by grouping.

Take 5x^2 out of the first 2 terms and 2 out of the last 2 terms

5x^2(a-4x) + 2(a − 4x)

Now we can factor a (a-4x) out

(a-4x)(5x^2+2)