Y= -4
i’ll attach an image showing work
i’ll attach an image showing work
The cost of dell personal computer is $40less than the cost of a gateway computer, while and epson computer cost $70 more than a
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Answer:
± 2
Step-by-step explanation:
let the number be n , then
n² - 4 = 0 ( add 4 to both sides )
n² = 4 ( take square root of both sides )
n = ± = ± 2
The number is - 2 or 2