Question

(a) 5ab(a - 1)-5a² (b-c)​

Answer 1

Answer:

5ab(a-1)-5asquare(b-c)

Multiply 5ab by (a-b) and 5a square by(b-c)

$5a {}^{2}b - 5ab - 5a {}^{2} b - 5a {}^{2} c$

Now cancel 5 a square b and - 5 a square b

Answer will be:-

$- 5ab - 5a {}^{2} c$

Step-by-step explanation:

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Answer 2

Answer:

5a² b _ 5ab _ 5a²b + 5a ²c

5a²b _ 5ab _ 5a²b +5a²c

Cancelled the 5²b, 5²b

the answer is _5ab + 5a²c

Step-by-step explanation:

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