SOLUTION: Could someone please help. Thank you so much for all your time and help! Evaluate -9 ÷ 3x – x2 + 7 for x = -5. Please show all of your work.

Algebra ->  Expressions -> SOLUTION: Could someone please help. Thank you so much for all your time and help! Evaluate -9 ÷ 3x – x2 + 7 for x = -5. Please show all of your work.      Log On


   

Question 468868: Could someone please help. Thank you so much for all your time and help!
Evaluate -9 ÷ 3x – x2 + 7 for x = -5. Please show all of your work.
Found 2 solutions by Earlsdon, rfer:
Answer by Earlsdon(6294) About Me  (Show Source):
You can put this solution on YOUR website!
Evaluate:
%28-9%29%2F%283x-x%5E2%2B7%29 for x = -5
Substitute -5 for every x in the given expression to get:
%28-9%29%2F%283%28-5%29-%28-5%29%5E2%2B7%29 Simplify.
%28-9%29%2F%28-15-25%2B7%29+=+%28-9%29%2F%28-40%2B7%29=%28-9%29%2F%28-33%29+=+highlight%283%2F11%29

Answer by rfer(16322) About Me  (Show Source):
You can put this solution on YOUR website!
-9/3*-5+5^2+7
-3*-5+25+7
15+25+7=47