Factorise a^2 + b - ab - a
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Answered by
4
✏Given here
✏a²+b-ab -a.
= a(a-b)-1(a-b).
= (a-1)(a-b).
.
Answered by
10
Answer: (a - 1)(a - b)
Step-by-step explanation: a^2 + b - ab - a
⇒ a^2 - ab + b - a
⇒ a(a - b) + 1(b - a)
⇒ a(a - b) - 1(a - b)
⇒ (a - 1)(a - b)
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