What are the solutions to the equation x2 − 1 = 399?
a. x=20 and x=-20
b. x...
Mathematics, 01.01.2020 20:31, daniel1480
What are the solutions to the equation x2 − 1 = 399?
a. x=20 and x=-20
b. x=200 and x=-200
c. x=400 and x=-400
d. x=398 squared and x=-398 squared
Answers: 1
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