Solve Using the Square Root Property 7x^2-14=0

Math
7×2-14=0
Add 14 to both sides of the equation.
7×2=14
Divide each term by 7 and simplify.
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Divide each term in 7×2=14 by 7.
7×27=147
Cancel the common factor of 7.
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Cancel the common factor.
7×27=147
Divide x2 by 1.
x2=147
x2=147
Divide 14 by 7.
x2=2
x2=2
Take the square root of both sides of the equation to eliminate the exponent on the left side.
x=±2
The complete solution is the result of both the positive and negative portions of the solution.
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First, use the positive value of the ± to find the first solution.
x=2
Next, use the negative value of the ± to find the second solution.
x=-2
The complete solution is the result of both the positive and negative portions of the solution.
x=2,-2
x=2,-2
The result can be shown in multiple forms.
Exact Form:
x=2,-2
Decimal Form:
x=1.41421356…,-1.41421356…
Solve Using the Square Root Property 7x^2-14=0

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