1.

X2y2-12xy-45 factorise

Answer» HI ,

x² y² - 12xy - 45

= x² y² - 15xy + 3 xy - 45

= xy ( xy - 15 ) + 3 ( xy - 15 )

= ( xy - 15 )( xy + 3 )

I HOPE this helps you.

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