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Solve the equation x2 − 100 = 0. A.x = 0, -10 B.x = 0, 10 C.x = 10, -10 D.x = 50, -50
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Nov 3, 2019
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Solve the equation x2 − 100 = 0.
A.x = 0, -10
B.x = 0, 10
C.x = 10, -10
D.x = 50, -50
Mathematics
high-school
Melvnberd
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Hello!
You solve this algebraically
x^2 - 100 = 0
Add 100 to both sides
x^2 = 100
Take the square root of 100
When you take a square root the solutions are the number positive and negative
x = 10
x = -10
The answer is C. x = 10, -10
Hope this helps!
Leoa
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Nov 5, 2019
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Leoa
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C is the correct answer
good luck
Roee E
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Nov 9, 2019
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Roee E
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