Given that f(x) = x² + 4x, evaluate f(-2). -4 -8 -12
2 answers:
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Answer:(-x-1)(x-4)
Step-by-step explanation:
factor the equation (multiples of 4 are 1 and 4 and 2 and 2) 4-1=1 so the factor you want to use are 1 and 4
-1(x +1)(x-4) -- -4+1=3
distribute the -1 into the first factor
(-x-1)(x-4)