Question
If Ax 2 (x + 2) + 8 + 36x = (2 + 3x)
3 , then determine the value of 3 √A.Solution
Ax 2 (x + 2) + 8 + 36x = (2 + 3x) 3
Ax 3 + 2Ax 2 + 8 + 36x = 8 + 27x 3 + 36x + 54x 2
Ax 3 + 2Ax 2 = 27x 3 + 54x 2
After comparing: A = 27
Now, 3 √A
= 3 √27 = 3
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