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How do you factorise x2 plus 2-15?

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Anonymous

∙ 14y ago
Updated: 8/18/2019

x2 + 2x - 15

= x2 - 3x + 5x - 15

= x(x - 3) + 5(x - 3)

= (x + 5)(x - 3)

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∙ 14y ago
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