Question

What is the value of the expression shown below when x = 7?
3x(to the power of 2) - 2x + 3

Answer 1

Answer: 430.00

Explanation:

So.

3x^2-2x+3.

Replace x with 7

(3·7)^2-(2·7)+3

Multiply within the parenthesis

21^2-14+3

Take care of exponent

441-14+3

Solve the rest.

430

If you did it right, you would get 430 as the end result.

Happy Solving