Problem

Determine if the polynomial 4x410x3+4x210x+4 can be factored by the binomial 2x1 using synthetic division.

Answer

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Answer

Step 3: Add down the columns. If the last number you get is zero, then 2x1 is a factor of the polynomial.

Steps

Step 1 :Step 1: Set up the synthetic division. Write the coefficients of the polynomial at the top of your synthetic division symbol and the number that makes the binomial equal to zero on the outside. In this case, the number is 12 because 2x1=0 when x=12.

Step 2 :Step 2: Carry the first coefficient (4) straight down and then multiply it by 12 (which you get from the binomial 2x1), and write the result under the next coefficient. Repeat this process for all coefficients.

Step 3 :Step 3: Add down the columns. If the last number you get is zero, then 2x1 is a factor of the polynomial.

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