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Chapter 6: Q 184 (page 603)

In the following exercises, factor completely using the difference of squares pattern, if possible.

49x2-81y2

Short Answer

Expert verified

The complete factor of trinomial is7x-9y7x+9y.

Step by step solution

01

Step 1. Given information

Consider the given trinomial

49x2-81y2

02

Step 2. Formula used

a2-b2=a+ba-b

03

Step 3.  Write the trinomial as squares. 

Write the trinomial as perfect squared form.

49x2-81y2=7x2-9y2

Write them as product of conjugate.

7x2-9y2=7x-9y7x+9y

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