Pre-Algebra Examples

Solve for x square root of 6x+7- square root of 3x+3=1
Step 1
Solve for .
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Step 1.1
Factor out of .
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Step 1.1.1
Factor out of .
Step 1.1.2
Factor out of .
Step 1.1.3
Factor out of .
Step 1.2
Add to both sides of the equation.
Step 2
To remove the radical on the left side of the equation, square both sides of the equation.
Step 3
Simplify each side of the equation.
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Step 3.1
Use to rewrite as .
Step 3.2
Simplify the left side.
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Step 3.2.1
Simplify .
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Step 3.2.1.1
Multiply the exponents in .
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Step 3.2.1.1.1
Apply the power rule and multiply exponents, .
Step 3.2.1.1.2
Cancel the common factor of .
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Step 3.2.1.1.2.1
Cancel the common factor.
Step 3.2.1.1.2.2
Rewrite the expression.
Step 3.2.1.2
Simplify.
Step 3.3
Simplify the right side.
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Step 3.3.1
Simplify .
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Step 3.3.1.1
Rewrite as .
Step 3.3.1.2
Expand using the FOIL Method.
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Step 3.3.1.2.1
Apply the distributive property.
Step 3.3.1.2.2
Apply the distributive property.
Step 3.3.1.2.3
Apply the distributive property.
Step 3.3.1.3
Simplify and combine like terms.
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Step 3.3.1.3.1
Simplify each term.
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Step 3.3.1.3.1.1
Multiply by .
Step 3.3.1.3.1.2
Multiply by .
Step 3.3.1.3.1.3
Multiply by .
Step 3.3.1.3.1.4
Multiply .
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Step 3.3.1.3.1.4.1
Raise to the power of .
Step 3.3.1.3.1.4.2
Raise to the power of .
Step 3.3.1.3.1.4.3
Use the power rule to combine exponents.
Step 3.3.1.3.1.4.4
Add and .
Step 3.3.1.3.1.5
Rewrite as .
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Step 3.3.1.3.1.5.1
Use to rewrite as .
Step 3.3.1.3.1.5.2
Apply the power rule and multiply exponents, .
Step 3.3.1.3.1.5.3
Combine and .
Step 3.3.1.3.1.5.4
Cancel the common factor of .
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Step 3.3.1.3.1.5.4.1
Cancel the common factor.
Step 3.3.1.3.1.5.4.2
Rewrite the expression.
Step 3.3.1.3.1.5.5
Simplify.
Step 3.3.1.3.1.6
Apply the distributive property.
Step 3.3.1.3.1.7
Multiply by .
Step 3.3.1.3.2
Add and .
Step 3.3.1.3.3
Add and .
Step 4
Solve for .
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Step 4.1
Rewrite the equation as .
Step 4.2
Move all terms not containing to the right side of the equation.
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Step 4.2.1
Subtract from both sides of the equation.
Step 4.2.2
Subtract from both sides of the equation.
Step 4.2.3
Subtract from .
Step 4.2.4
Subtract from .
Step 5
To remove the radical on the left side of the equation, square both sides of the equation.
Step 6
Simplify each side of the equation.
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Step 6.1
Use to rewrite as .
Step 6.2
Simplify the left side.
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Step 6.2.1
Simplify .
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Step 6.2.1.1
Apply the distributive property.
Step 6.2.1.2
Simplify the expression.
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Step 6.2.1.2.1
Multiply by .
Step 6.2.1.2.2
Apply the product rule to .
Step 6.2.1.2.3
Raise to the power of .
Step 6.2.1.2.4
Multiply the exponents in .
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Step 6.2.1.2.4.1
Apply the power rule and multiply exponents, .
Step 6.2.1.2.4.2
Cancel the common factor of .
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Step 6.2.1.2.4.2.1
Cancel the common factor.
Step 6.2.1.2.4.2.2
Rewrite the expression.
Step 6.2.1.3
Simplify.
Step 6.2.1.4
Apply the distributive property.
Step 6.2.1.5
Multiply.
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Step 6.2.1.5.1
Multiply by .
Step 6.2.1.5.2
Multiply by .
Step 6.3
Simplify the right side.
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Step 6.3.1
Simplify .
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Step 6.3.1.1
Rewrite as .
Step 6.3.1.2
Expand using the FOIL Method.
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Step 6.3.1.2.1
Apply the distributive property.
Step 6.3.1.2.2
Apply the distributive property.
Step 6.3.1.2.3
Apply the distributive property.
Step 6.3.1.3
Simplify and combine like terms.
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Step 6.3.1.3.1
Simplify each term.
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Step 6.3.1.3.1.1
Rewrite using the commutative property of multiplication.
Step 6.3.1.3.1.2
Multiply by by adding the exponents.
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Step 6.3.1.3.1.2.1
Move .
Step 6.3.1.3.1.2.2
Multiply by .
Step 6.3.1.3.1.3
Multiply by .
Step 6.3.1.3.1.4
Multiply by .
Step 6.3.1.3.1.5
Multiply by .
Step 6.3.1.3.1.6
Multiply by .
Step 6.3.1.3.2
Add and .
Step 7
Solve for .
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Step 7.1
Since is on the right side of the equation, switch the sides so it is on the left side of the equation.
Step 7.2
Move all terms containing to the left side of the equation.
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Step 7.2.1
Subtract from both sides of the equation.
Step 7.2.2
Subtract from .
Step 7.3
Subtract from both sides of the equation.
Step 7.4
Subtract from .
Step 7.5
Factor the left side of the equation.
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Step 7.5.1
Factor out of .
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Step 7.5.1.1
Factor out of .
Step 7.5.1.2
Factor out of .
Step 7.5.1.3
Factor out of .
Step 7.5.1.4
Factor out of .
Step 7.5.1.5
Factor out of .
Step 7.5.2
Factor.
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Step 7.5.2.1
Factor by grouping.
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Step 7.5.2.1.1
For a polynomial of the form , rewrite the middle term as a sum of two terms whose product is and whose sum is .
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Step 7.5.2.1.1.1
Factor out of .
Step 7.5.2.1.1.2
Rewrite as plus
Step 7.5.2.1.1.3
Apply the distributive property.
Step 7.5.2.1.2
Factor out the greatest common factor from each group.
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Step 7.5.2.1.2.1
Group the first two terms and the last two terms.
Step 7.5.2.1.2.2
Factor out the greatest common factor (GCF) from each group.
Step 7.5.2.1.3
Factor the polynomial by factoring out the greatest common factor, .
Step 7.5.2.2
Remove unnecessary parentheses.
Step 7.6
If any individual factor on the left side of the equation is equal to , the entire expression will be equal to .
Step 7.7
Set equal to and solve for .
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Step 7.7.1
Set equal to .
Step 7.7.2
Solve for .
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Step 7.7.2.1
Add to both sides of the equation.
Step 7.7.2.2
Divide each term in by and simplify.
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Step 7.7.2.2.1
Divide each term in by .
Step 7.7.2.2.2
Simplify the left side.
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Step 7.7.2.2.2.1
Cancel the common factor of .
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Step 7.7.2.2.2.1.1
Cancel the common factor.
Step 7.7.2.2.2.1.2
Divide by .
Step 7.8
Set equal to and solve for .
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Step 7.8.1
Set equal to .
Step 7.8.2
Subtract from both sides of the equation.
Step 7.9
The final solution is all the values that make true.
Step 8
The result can be shown in multiple forms.
Exact Form:
Decimal Form: