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Find the product $24x^2 (1 - 2x)$ and evaluate its value for $x = 3$.
Given:
$24x^2 (1 - 2x)$
To do:
We have to find the product $24x^2 (1 - 2x)$ and evaluate its value for $x = 3$.
Solution:
$24x^2 (1 - 2x)= 24x^2 \times 1 + 24x^2 \times (-2x)$
$= 24x^2 + (-48x^{2+1})$
$= 24x^2 - 48x^3$
If $x = 3$, then
$24x^2 - 48x^3= 24(3)^2 - 48 (3)^3$
$= 24(9)-48(27)$
$= 216- 1296$
$= -1080$
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