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Edith
Mathematics
16 July, 16:44
Factorise x2 + 5x + 6
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Cassie Vang
16 July, 16:46
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X² + 5x + 6.
When the x² is alone, you just think of two numbers that add up to give 5 and multiply to give 6.
those are 2 and 3.
x² + 5x + 6
x² + 2x + 3x + 6
x (x + 2) + 3 (x + 2)
(x + 2) (x + 3)
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