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12.3 DIVIDING POLYNOMIALS. Dividing Polynomials. The objective is to be able to divide a polynomial by a monomial. Step 1. Divide each term of the polynomial by the monomial. 2. x. 6. 3. -. 3. x. 3. x. Step 2. Factor each expression. ·. ·. ·. 2. 3. x. x. 3. -. ·. ·. 3.

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## 12.3 DIVIDING POLYNOMIALS

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**12.3 DIVIDING**POLYNOMIALS**Dividing Polynomials**The objective is to be able to divide a polynomial by a monomial.**Step 1**Divide each term of the polynomial by the monomial. 2 x 6 3 - 3 x 3 x**Step 2**Factor each expression. · · · 2 3 x x 3 - · · 3 x 3 x**Step 3**Divide out the common factors in each expression. The numbers and variables which are crossed out divide out to 1.**Step 4**Write in simplified form. 1 - 2 x x**A**A You Try It**Dividing a Polynomial by a Polynomial**The objective is to be able to divide a polynomial by a polynomial by using long division. Dividend – the number which is being divided. Divisor – The number that is being divided into the dividend. Quotient – The result obtained when numbers or expressions are divided. Remainder – The part that is left over when the divisor no longer goes into the dividend a whole number of times.**Polynomial Long Division**Step 1: Write it as you would a regular long division problem. The x+2 is the divisor and the x2+3x-1 is the dividend.**2**+ + - x 2 x 3 x 1 Step 2 Divide x2 by x to get x. Place this on top. x Multiply x+2 by x to get x2 +2x. Subtract the x2+2x from the x2+3x-1. 2 + x 2 x - x 1**x**2 + + - x 2 x 3 x 1 2 + x 2 x - x 1 Step 3 + 1 Divide the x by x to get 1. Multiply x+2 by 1 to get x+2. + x 2 Subtract x+2 from the x-1. - 3**Step 4**Write your final answer. The x+1 is the quotient.**A**A You Try It

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