Evaluate x² + 2x - 4 if x = -4.
Answer:
the answer is ;4
Step-by-step explanation:
Answer: 4
x2+2x+4/4ix
Step-by-step explanation: −4fix+x2+2x+−x2=−4+−x2
−4fix+2x=−x2−4
Step 2: Add -2x to both sides.
−4fix+2x+−2x=−x2−4+−2x
−4fix=−x2−2x−4
Step 3: Divide both sides by -4ix.
−4fix/-4xi= −x2−2x−4/4xi
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