Solve by Completing the Square x^2+7x-45=7

Math
Move all terms not containing to the right side of the equation.
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Add to both sides of the equation.
Add and .
To create a trinomial square on the left side of the equation, find a value that is equal to the square of half of .
Add the term to each side of the equation.
Simplify the equation.
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Simplify each term.
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Apply the product rule to .
Raise to the power of .
Raise to the power of .
Simplify .
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Simplify each term.
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Apply the product rule to .
Raise to the power of .
Raise to the power of .
To write as a fraction with a common denominator, multiply by .
Combine and .
Combine the numerators over the common denominator.
Simplify the numerator.
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Multiply by .
Add and .
Factor the perfect trinomial square into .
Solve the equation for .
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Take the square root of each side of the equation to set up the solution for
Remove the perfect root factor under the radical to solve for .
Simplify the right side of the equation.
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Rewrite as .
Simplify the denominator.
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Rewrite as .
Pull terms out from under the radical, assuming positive real numbers.
Remove parentheses.
Subtract from both sides of the equation.
The result can be shown in multiple forms.
Exact Form:
Decimal Form:
Solve by Completing the Square x^2+7x-45=7

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