# How do you divide #(6x ^ { 3} + 17x ^ { 2} + 13x + 20)# by #( 2x + 5)#?

##### 2 Answers

Quotient

#### Explanation:

Denominator may be written as

……………………………………………………………………

-(5/2)…….|...…6……17…….13………20

……………..|………….-15……-5……..-20

……………..|*_**_**_**_**_**_**_***_**_

…………………..6…….2…….8……….0

We have divided by

So we should divide the quotient by 2 to get the answer.

Quotient

#### Explanation:

Division is part and parcel of multiplication.

This approach is really the same as LinaM but looks different.

The problem is that marking schemes for exams are very strict and (particularly in UK) are based on a particular approach. If that approach is not used then there is every chance you will not get method marks. Method marks are what you are after. The correct answer is the icing on the cake. If you have the wrong answer but are awarded method marks then your attempt is not a total loss.

The approach to use is that shown to you by your teacher.

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No remainder so stop

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