If h(z)=2z^2-5z+7, find h(3c)

h(z) = 2z² - 5z + 7

To find h(3c), replace each z with 3c.

h(3c) = 2(3c)² - 5(3c) + 7

Now just simplify.

h(3c) = 2(9c²) - 5(3c) + 7

h(3c) = 18c² - 15c + 7

Ohhhh ok thanks! That cleared it up I did the second step wrong