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We will be happy to post videos as per your requirements also. Do write to us.Division of Polynomial by Binomial using Long Division
| Step 1: We look at the first term of (a2 + 7a + 12 )and the first term of (a + 4)
Divide as follows : a2/a
We write 'a' at top of our long division and multiply
(a)(a + 4)= a2 + 4a to give the second row of our solution
|Step 2 : Subtracting the second row from the first gives :|
| Be careful with
+ 7a - (+ 4a ) = +7a - 4a = 3a
Step 3: Bring down the +12 from the 1st row :
|Step 4: As the remainder is 3a + 12, so multiply (a +4) by 3 and write +3 at the top.Write the multiplication of 3 and (a + 4) below the remainder.
|Step 5: Subtract : (3a + 12) and ( 3a + 12)|
So (a2 + 7a + 12)/ (a + 4) = a + 3
You can check your answer by multiplying (a + 3) by (a +4) you will get (a2 + 7a + 12)
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