Turunan pertama dari f(x)=(2x²-5)(x²+2) adalah?

[tex] \frac{dy}{dx} = (2x {}^{2} - 5)(x {}^{2} + 2) \\ = {2x}^{4} - {9x}^{2} - 10 \\ = {8x}^{3} - 18x[/tex]