Diketahui f(x) =2x³-7x +17 da g(x) =6x²+x-5. Jika h(x) =f(x) +2g(x), maka h'(x) adalah...... Tolong pakai cara kak

f(x) = 2x³ - 7x + 17
g(x) = 6x² + x - 5

h(x) = f(x) + 2g(x)
= 2x³ - 7x + 17 + 2(6x² + x - 5)
= 2x³ - 7x + 17 + 12x² + 2x - 10
= 2x³ + 12x² - 5x + 7

h'(x) = 6x² + 24x - 5