A) 3 |
B) 13 |
C) 23 |
D) 33 |
A) 3 |
Let the number be x.
According to the question,
\( \Large 5x = 2x^{2} - 3 \)
=> \( \Large 2x^{2} - 5x - 3 = 0 \)
=> \( \Large \left(x-3\right) \left(2x+1\right) = 0 \)
\( \Large x = 3, -\frac{1}{2} \)
Thus, the required number is 3.