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factorise 3x - 2dy + 3y - 2dx?

factorise 3x - 2dy + 3y - 2dx?

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Answers (1)

Gaby
2 months ago
The term 3x and 3y both have 3 in common the terms 2dx and 2dy both have 2d in common. Group the given terms in this order.
3x - 2dy + 3y - 2dx
= 3x + 3y - 2dx -2dy
= 3(x + y) - 2d(x + y)
= (x + y) (3-2d)
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