Evaluate each expression.

Question

3x^2-2x+1 if x=5

3a^2b^3 if a=2, b=-3

Answer 1

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