What's the answer for this math problem?

I believe the answer would be 47.

You replace everything that has x with a 3

4x^2+2x+5

4(3)^2 +2(3)+5

4*9+6+5

36+6+5

42+5

47

Answer: the correct answer is 10step-by-step explanation: let the number be n, then the expression becomes,then“twelve more than the quotient of a number and two, decreased by four” iswhen n=4,we substitute 4 whetever we see n to get,we simplify to obtain,we further simplify to get,therefore the correct answer is c.