# How do you use synthetic division to see if -1 is a zero of #h(x)=x^4+9x^3+18x-8#?

##### 1 Answer

Jul 23, 2015

#### Answer:

#### Explanation:

**Step 1.** Write only the coefficients of

**Step 2.** Put the test zero,

**Step 3.** Drop the first coefficient below the division symbol.

**Step 4.** Multiply the drop-down by the test zero, and put the result in the next column.

**Step 5.** Add down the column.

**Step 6.** Repeat Steps 4 and 5 until you can go no farther.

**Check:**