Question

81-16x²
factorise plg answer with explanation ​

Answer 1

HELLO MATE

HERE IS YOUR ANSWER

81 - 16x²

9² - ( 4x ) ² [ USING A² - B² = ( A + B ) ( A - B ) ]

( 9 + 4x ) ( 9 - 4x )

HENCE , THE CORRECT ANSWER IS ( 9 + 4x ) ( 9- 4x )

HOPE IT HELPS.

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Answer 2

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