Factorise :X^2 +1/4x^2 +1-7x-7/2x
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Hi ,
x² + 1 / 4x² + 1 - 7x - 7 / 2x
=[ x² + ( 1/2x )² + 2 × x × ( 1 /2x ) ] -7 ( x + 1/2x )
= ( x + 1/2x )² - 7 ( x + 1/ 2x )
= ( x + 1/2x ) ( x + 1/2x - 7 )
I hope this helps you.
:)
x² + 1 / 4x² + 1 - 7x - 7 / 2x
=[ x² + ( 1/2x )² + 2 × x × ( 1 /2x ) ] -7 ( x + 1/2x )
= ( x + 1/2x )² - 7 ( x + 1/ 2x )
= ( x + 1/2x ) ( x + 1/2x - 7 )
I hope this helps you.
:)
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