# How do you factor #a^4-2a^2-48#?

##### 1 Answer

Jun 30, 2018

#### Explanation:

Re-write the equation as:

Trying to factor by splitting middle term:

**Step 1: Find two factors of #-48# whose sum equals the coefficient of the middle term, which is # -2#.**

and

**Step 2: Rewrite the polynomial splitting the middle term using the two factors found in step 1 above, #-8# and #6#**

**Step 3: Pull out the common factor**