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Factorise completely 1) {x}^(2) - 12x - 13 2){32y}^(2) + 8y 3) {x}^(2) - 9
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Factorise completely 1) {x}^(2) - 12x - 13 2){32y}^(2) + 8y 3) {x}^(2) - 9
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Dec 4, 2019
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Factorise completely
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Lucas Emerick
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1. Number that adds up to -12 and multiplied by the same # that gives u -13. Set it up like this because both are negative so, u need 1 negative and 1 positive.
(x-13)(x+1)
2. Same rule applies. GCF
8y(4y+1)
3. (x+3)(x-3)
Alcedine
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Dec 10, 2019
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