Evaluate the expression for the given value of the variable(s). -x2 - 4x; x = -3 Question 4 options:
2 answers:
-x^2-4x
x=-3→-(-3)^2-4(-3)=-9+12=3
Answer: 3
ANSWER
The value of the expression is
EXPLANATION
The given expression is
We want to evaluate this expression at
This means that, we have to substitute -3 wherever we see x in the given expression.
This will give us,
We evaluate the first parenthesis to get,
We now multiply the second parenthesis to get,
This is the same as,
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