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Mathematics
Hana Melton
1 April, 09:59
What are the solutions of x2 - 2x + 5 = 0?
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Aaden Lin
1 April, 12:09
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x^2-2x+5=0
first, subtract 5 from both sides to look like:
x^2-2x = - 5
next divide - 2 on both sides to equal:
x^2+x = - 5/-2
x^2+x=2.5 or 2 1/2
You can simplify this to:
2x^2=2.5
Then divide both sides by 2:
x^2=2.5/2
x^2=1.25
finally we get take away the ^2 so we root the number on both sides and get (rounded):
x=1.12
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Paulina Mckay
1 April, 12:16
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Exact Form:
x = 7/2
Decimal Form:
x = 3.5
Mixed Number Form:
x = 3 1/2
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