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Factorise 84xy+196x-36y-84
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Factorise
84xy+196x-36y-84

User Derrick Miller
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1 Answer

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Hi,

84xy+196x-36y-84

4(21xy+49x-9y-21)

4(7x × (3y+7)-9y-21)

4(7x × (3y+7)-3(3y+7)

4(3y+7)×(7x-3)

User Chris Down
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