Question
Solve the equation
Solve for x
Solve for a
Solve for d
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x=∣ard∣2ard+2∣ard∣x=∣ard∣−2ard+2∣ard∣
Evaluate
rad(x−2)2=4
Divide both sides
radrad(x−2)2=rad4
Divide the numbers
(x−2)2=rad4
Divide the numbers
(x−2)2=ard4
Take the root of both sides of the equation and remember to use both positive and negative roots
x−2=±ard4
Simplify the expression
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Evaluate
ard4
To take a root of a fraction,take the root of the numerator and denominator separately
ard4
Simplify the radical expression
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Evaluate
4
Write the number in exponential form with the base of 2
22
Reduce the index of the radical and exponent with 2
2
ard2
Multiply by the Conjugate
ard×ard2ard
Calculate
∣ard∣2ard
x−2=±∣ard∣2ard
Separate the equation into 2 possible cases
x−2=∣ard∣2ardx−2=−∣ard∣2ard
Calculate
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Evaluate
x−2=∣ard∣2ard
Move the constant to the right-hand side and change its sign
x=∣ard∣2ard+2
Add the terms
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Evaluate
∣ard∣2ard+2
Reduce fractions to a common denominator
∣ard∣2ard+∣ard∣2∣ard∣
Write all numerators above the common denominator
∣ard∣2ard+2∣ard∣
x=∣ard∣2ard+2∣ard∣
x=∣ard∣2ard+2∣ard∣x−2=−∣ard∣2ard
Solution
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Evaluate
x−2=−∣ard∣2ard
Move the constant to the right-hand side and change its sign
x=−∣ard∣2ard+2
Add the terms
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Evaluate
−∣ard∣2ard+2
Reduce fractions to a common denominator
−∣ard∣2ard+∣ard∣2∣ard∣
Write all numerators above the common denominator
∣ard∣−2ard+2∣ard∣
x=∣ard∣−2ard+2∣ard∣
x=∣ard∣2ard+2∣ard∣x=∣ard∣−2ard+2∣ard∣
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