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A mix of factoring by grouping. Factor the exressions. 17ax+17a-x-1 Please explain/show steps on how to do this!

*edit: I know the answer to the problem because it was said aloud in a class, but I am not sure the steps to get there!

User Brentg
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1 Answer

5 votes

Answer:


(x+1)(17a-1)

Explanation:

We are given that


17ax+17a-x-1

We have to factorize the given expression.

Pair up the terms


(17ax+17a)+(-x-1)

Now, taking common factor


17a(x+1)-1(x+1)

Taking common (x+1)


(x+1)(17a-1)

Now, we get


(x+1)(17a-1)

This is required factors of given expression.

User Filcab
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