Question

Factorise: a2-(a-5)a-5b​

Answer 1

Answer:

a-b=0

Step-by-step explanation:

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Answer 2

Step-by-step explanation:

${a}^{2} +(a - 5)a - 5b \\ {a}^{2} - {a}^{2} + 5a - 5b \\ 5a - 5b \\ 5(a - b)$

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