What is the value of the expression below when z, equals, z=3?
10z^2+4z+9
When z equals 3, the value of the expression is:
10(3)^2 + 4(3) + 9
= 10(9) + 12 + 9
= 90 + 12 + 9
= 111
10z^2+4z+9
10(3)^2 + 4(3) + 9
= 10(9) + 12 + 9
= 90 + 12 + 9
= 111