Question 13

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waecmaths question: 

If ${{(2x+3)}^{3}}=125$, find the value of x

Option A: 

1

Option B: 

2

Option C: 

3

Option D: 

4

waecmaths solution: 

$\begin{align}  & {{(2x+3)}^{3}}=125 \\ & {{(2x+3)}^{3}}={{5}^{3}} \\ & \text{Equating the base} \\ & 2x+3=5 \\ & 2x=2 \\ & x=1 \\\end{align}$

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