Question

(a−2b)3 when a=−4 and b=−1/2

Answer 1

Answer:

-27

Step-by-step explanation:

Hi there!

$(a-2b)^3$

Plug in the given information:

$(-4-2(\displaystyle -\frac{1}{2} ))^3\\\\(-4-(\displaystyle -\frac{2}{2} ))^3\\\\(-4+1)^3\\\\(-3)^3\\\\-27$

I hope this helps!

Answer 2

Answer:

-9

Step-by-step explanation:

(-4-2*-1/2)3

(-4+1)3

-3*3

-9