Factorize:
9x²-49y²+3x+7y
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Answered by
0
9x^2 - 49y^2
= (3x + 7y) (3x - 7y)
= 3x*3x - 3x*7y +3x*7y - 7y*7y
= 9x^2 - 21xy + 21xy - 49y^2
= 9x^2 - 49^2
= (3x + 7y) (3x - 7y)
= 3x*3x - 3x*7y +3x*7y - 7y*7y
= 9x^2 - 21xy + 21xy - 49y^2
= 9x^2 - 49^2
Answered by
8
Hi ,
9x² - 49y² + 3x + 7y
= [ (3x)² - ( 7y )² ] + ( 3x + 7y )
= ( 3x + 7y ) ( 3x - 7y ) + 1( 3x + 7y )
= ( 3x + 7y ) ( 3x - 7y + 1 )
I hope this helps you.
:)
9x² - 49y² + 3x + 7y
= [ (3x)² - ( 7y )² ] + ( 3x + 7y )
= ( 3x + 7y ) ( 3x - 7y ) + 1( 3x + 7y )
= ( 3x + 7y ) ( 3x - 7y + 1 )
I hope this helps you.
:)
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