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► Factor. 1) 9y² - (2x - y)² =
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5 votes
► Factor.
1) 9y² - (2x - y)² =

User Pbristow
by
5.2k points

1 Answer

6 votes

Answer:

( 4y + 4x ) ( 2y - x )

Explanation:

→ Expand bracket

(2x - y)² = (2x - y) (2x - y) = 4x² - 4xy + y²

→ Rewrite

9y² - ( 4x² - 4xy + y² )

→ Simplify

9y² - 4x² + 4xy - y²

→ Simplify again

8y² + 4xy - 4x²

→ Factor

( 4y + 4x ) ( 2y - x )

User Flame Of Udun
by
5.6k points
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