algebra need help
posted by kate .
Evaluate each expression.
3x^22x+1 if x=5
3a^2b^3 if a=2, b=3

Replace x, a and b with the appropriate numbers and perform the calculation indicated by the formula.
In the first problem, x is 5; so the answer is
3*5*5  2*5 + 1 = 75 10 + 1 = ?
Finish that and try the other one yourself