WAEC - Mathematics (2009 - No. 9)

If (2x + 3)3 = 125, find the value of x
1
2
3
4

Explanation

(2x + 3 )2 = 125

2n + 3 = 3\(\sqrt{125}\)

2x + 3 = 5

2x = 5 - 3

x = \(\frac{2}{2}\)

= 1

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