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Please help me factor. 49 - 9x²
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2 votes
Please help me factor.

49 - 9x²

User Sami Badawi
by
4.5k points

1 Answer

4 votes

Answer:

a

2

−

b

2

=

(

a

+

b

)

(

a

−

b

)

where

a

=

7

and

b

=

3

x

.

(

7

+

3

x

)

(

7

−

3

x

)

Explanation:

User Rhysyngsun
by
4.4k points
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