Posted by **kate** on Sunday, February 8, 2009 at 7:23pm.

Evaluate each expression.

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

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

- algebra need help -
**drwls**, Sunday, February 8, 2009 at 7:32pm
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

## Answer this Question

## Related Questions

- Evaluate the expression.Algebra - Evaluate the expression. (9/6) (6/4) (3/1) I ...
- Algebra - Use symbols to write the expression and then evaluate it Thirty six ...
- ALGEBRA - Evaluate the expression. (11) (5) (3) 3 3 1 Evaluate the expression. (...
- algebra - Let X be a number. Translate the English phrase or sentence into a ...
- Algebra 1, need help! - What is the algebraic expression for the following word ...
- algebra - Evaluate the following expression: |2+5+(-11)+4| Notice the vertical ...
- math 115 - 1. divide 36/-4= 9 is this correct? 2. evaluate the expression |-5 +3...
- Algebra - Evaluate the expression.(50) How do I solve this expression? Can you ...
- algebra - ***show work evaluate the expression: 7^-6 (-6)^-9 simplify the ...
- Pre-Algebra - Evaluate the expression. 1. (18 + 9) + 11 2. 8(-2)(5) 3. 1.2 + 4....