SOLUTION: please help me solve this equation: {{{f(x)=-x^2-3x+5}}} f(-6)

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Question 93233: please help me solve this equation: f%28x%29=-x%5E2-3x%2B5
f(-6)
Answer by tutorcecilia(2152) About Me  (Show Source):
You can put this solution on YOUR website!
Evaluate:
f(x)=%28-x%5E2-3x%2B5%29
f(-6)=%28-%28-6%29%5E2-3%28-6%29%2B5%29
f(-6)=%28-%2836%29%2B18%2B5%29
f(-6)=-13