Billy is saving up to buy a $400 PS5. He already saved $275. If he has saves $25 a week, how many weeks will it take him to save
2 answers:
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Answer:
Step-by-step explanation:
1. Factor out the imaginary number "i" from the trinomial. This leaves you with:
x^2 + x + 1 = 0
2. From here you need to complete the square and solve for x, which should give you the above answer once simplified.
3. If you wanted to check the answer you can plug it back into the equation to see if you get 0.