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Holloway
Mathematics
13 January, 16:13
Factorise completely 2y^2-4y
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Rosa Mueller
13 January, 16:28
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To factor an expression, first you have to find the GCF or Greatest Common Factor of all of the pieces of the expression.
The GCF of 2y^2 and - 4y is 2y
So, to factor this expression, we need to divide all of the pieces of the expression by the GCF.
2y (y-2)
2y^2 - 4y in completely factored form is 2y (y-2)
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Carissa Malone
13 January, 16:41
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You find the gcf which is 2y
you factor it out: 2y (y-2)
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