Respuesta :

tonb

Answer:

10x² + -18

Step-by-step explanation:

g(f(x)) means you substitute 2x²-5 for every occurrance of x in g(x).

g(f(x)) = 5(2x²-5) + 7 = 10x² - 25 + 7 = 10x² - 18 =  10x² + -18

10x^2+-18
you can get this answer by bringing down your whole problem