Question

when X is equals to 2 the value of expression 4 x square + 9 by x square - 12

Answer 1

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$<i>$
Given :

x = 2

( 4x² + 9 ) / ( x² - 12 ) [ given ]

= [ 4 ( 2 )² + 9 ] / [ ( 2 )² - 12 ]

= ( 16 + 9 ) / ( 4 - 12 )

= 25 / ( - 8 )

= - 25 / 8

Hence,

The value of the given expression is
( - 25 / 8 ).

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