a²-(b+5)a+5b factorise
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Answer:
a^2 - (b + 5)a + 5b
a^2 - ab - 5a + 5b
a (a - b) - 5 (a - b)
(a - 5)(a - b)
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X1 = 3.6180.;X2 = 1.3819. (a-b) (a-5)
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