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Galina-37 [17]
3 years ago
9

Ed earns a $100 commission on each computer he sells plus a base salary of $50,000. His total income last year was $75,000. Whic

h equation can be used to find out how many computers Ed sold last year?
Mathematics
1 answer:
atroni [7]3 years ago
5 0

50,000 + 100x = 75,000


He sold 250 Computers last year

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Rewrite as perfect squares

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Complete the square. Remember to balance the equation by adding the same constants to each side.

x^{2}-2x+1=4+1

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Rewrite as perfect squares

(x-1)^{2}=5

(x-1)=(+/-)\sqrt{5}\\x=1(+/-)\sqrt{5}

therefore

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therefore

<u>the answer is</u>

x^{2}-2x-4=0

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