Question

Find the value of (5x)3 when x= -2/5


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Answer 1

Answer:

put the value of x

(5×2/5)3

(2)3

2×3=6

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Answer 2

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Value of (5x)3 when x = -2/5

$\longmapsto \sf(5x)3$

$\longmapsto \sf \bigg\lgroup5 \times \dfrac{( - 2)}{5}\bigg\rgroup3$

$\longmapsto \sf ( - 2)3$

$\longmapsto \sf - 6$