Math, asked by ashif70346, 6 months ago

81-16x²
Plz solve this issue

Answers

Answered by BoldStyle

4

The question is :- 16x² - 81

By using identity ( a² - b² ) = ( a + b ) ( a - b )

[ ( 4x ) ² - ( 9 ) ² ] = ( 4x + 9 ) ( 4x - 9 )

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