Question

d find its value when a = 1 and b= -2.
(ii) -45b - ab + b3​

Answer 1

Answer:

here's your answer dear

Answer 2

Step-by-step explanation:

$- 45b \: - ab \: + {b}^{3} \\ = - 45 \times - 2 - 1 \times - 2 + { - 2}^{3} \\ = 90 + 2 - 8 \\ 84$

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