Finite Math Examples

Solve by Substitution x^2+2y^2=6 , 2x^2-3y^2=5
,
Step 1
Solve for in .
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Step 1.1
Subtract from both sides of the equation.
Step 1.2
Take the specified root of both sides of the equation to eliminate the exponent on the left side.
Step 1.3
Factor out of .
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Step 1.3.1
Factor out of .
Step 1.3.2
Factor out of .
Step 1.3.3
Factor out of .
Step 1.4
The complete solution is the result of both the positive and negative portions of the solution.
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Step 1.4.1
First, use the positive value of the to find the first solution.
Step 1.4.2
Next, use the negative value of the to find the second solution.
Step 1.4.3
The complete solution is the result of both the positive and negative portions of the solution.
Step 2
Solve the system .
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Step 2.1
Replace all occurrences of with in each equation.
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Step 2.1.1
Replace all occurrences of in with .
Step 2.1.2
Simplify the left side.
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Step 2.1.2.1
Simplify .
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Step 2.1.2.1.1
Simplify each term.
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Step 2.1.2.1.1.1
Rewrite as .
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Step 2.1.2.1.1.1.1
Use to rewrite as .
Step 2.1.2.1.1.1.2
Apply the power rule and multiply exponents, .
Step 2.1.2.1.1.1.3
Combine and .
Step 2.1.2.1.1.1.4
Cancel the common factor of .
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Step 2.1.2.1.1.1.4.1
Cancel the common factor.
Step 2.1.2.1.1.1.4.2
Rewrite the expression.
Step 2.1.2.1.1.1.5
Simplify.
Step 2.1.2.1.1.2
Apply the distributive property.
Step 2.1.2.1.1.3
Multiply by .
Step 2.1.2.1.1.4
Multiply by .
Step 2.1.2.1.1.5
Apply the distributive property.
Step 2.1.2.1.1.6
Multiply by .
Step 2.1.2.1.1.7
Multiply by .
Step 2.1.2.1.2
Subtract from .
Step 2.2
Solve for in .
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Step 2.2.1
Move all terms not containing to the right side of the equation.
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Step 2.2.1.1
Subtract from both sides of the equation.
Step 2.2.1.2
Subtract from .
Step 2.2.2
Divide each term in by and simplify.
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Step 2.2.2.1
Divide each term in by .
Step 2.2.2.2
Simplify the left side.
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Step 2.2.2.2.1
Cancel the common factor of .
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Step 2.2.2.2.1.1
Cancel the common factor.
Step 2.2.2.2.1.2
Divide by .
Step 2.2.2.3
Simplify the right side.
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Step 2.2.2.3.1
Divide by .
Step 2.2.3
Take the specified root of both sides of the equation to eliminate the exponent on the left side.
Step 2.2.4
Any root of is .
Step 2.2.5
The complete solution is the result of both the positive and negative portions of the solution.
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Step 2.2.5.1
First, use the positive value of the to find the first solution.
Step 2.2.5.2
Next, use the negative value of the to find the second solution.
Step 2.2.5.3
The complete solution is the result of both the positive and negative portions of the solution.
Step 2.3
Replace all occurrences of with in each equation.
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Step 2.3.1
Replace all occurrences of in with .
Step 2.3.2
Simplify the right side.
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Step 2.3.2.1
Simplify .
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Step 2.3.2.1.1
One to any power is one.
Step 2.3.2.1.2
Multiply by .
Step 2.3.2.1.3
Subtract from .
Step 2.3.2.1.4
Multiply by .
Step 2.3.2.1.5
Rewrite as .
Step 2.3.2.1.6
Pull terms out from under the radical, assuming positive real numbers.
Step 2.4
Replace all occurrences of with in each equation.
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Step 2.4.1
Replace all occurrences of in with .
Step 2.4.2
Simplify the right side.
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Step 2.4.2.1
Simplify .
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Step 2.4.2.1.1
Multiply by by adding the exponents.
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Step 2.4.2.1.1.1
Multiply by .
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Step 2.4.2.1.1.1.1
Raise to the power of .
Step 2.4.2.1.1.1.2
Use the power rule to combine exponents.
Step 2.4.2.1.1.2
Add and .
Step 2.4.2.1.2
Raise to the power of .
Step 2.4.2.1.3
Subtract from .
Step 2.4.2.1.4
Multiply by .
Step 2.4.2.1.5
Rewrite as .
Step 2.4.2.1.6
Pull terms out from under the radical, assuming positive real numbers.
Step 3
Solve the system .
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Step 3.1
Replace all occurrences of with in each equation.
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Step 3.1.1
Replace all occurrences of in with .
Step 3.1.2
Simplify the left side.
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Step 3.1.2.1
Simplify .
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Step 3.1.2.1.1
Simplify each term.
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Step 3.1.2.1.1.1
Apply the product rule to .
Step 3.1.2.1.1.2
Raise to the power of .
Step 3.1.2.1.1.3
Multiply by .
Step 3.1.2.1.1.4
Rewrite as .
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Step 3.1.2.1.1.4.1
Use to rewrite as .
Step 3.1.2.1.1.4.2
Apply the power rule and multiply exponents, .
Step 3.1.2.1.1.4.3
Combine and .
Step 3.1.2.1.1.4.4
Cancel the common factor of .
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Step 3.1.2.1.1.4.4.1
Cancel the common factor.
Step 3.1.2.1.1.4.4.2
Rewrite the expression.
Step 3.1.2.1.1.4.5
Simplify.
Step 3.1.2.1.1.5
Apply the distributive property.
Step 3.1.2.1.1.6
Multiply by .
Step 3.1.2.1.1.7
Multiply by .
Step 3.1.2.1.1.8
Apply the distributive property.
Step 3.1.2.1.1.9
Multiply by .
Step 3.1.2.1.1.10
Multiply by .
Step 3.1.2.1.2
Subtract from .
Step 3.2
Solve for in .
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Step 3.2.1
Move all terms not containing to the right side of the equation.
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Step 3.2.1.1
Subtract from both sides of the equation.
Step 3.2.1.2
Subtract from .
Step 3.2.2
Divide each term in by and simplify.
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Step 3.2.2.1
Divide each term in by .
Step 3.2.2.2
Simplify the left side.
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Step 3.2.2.2.1
Cancel the common factor of .
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Step 3.2.2.2.1.1
Cancel the common factor.
Step 3.2.2.2.1.2
Divide by .
Step 3.2.2.3
Simplify the right side.
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Step 3.2.2.3.1
Divide by .
Step 3.2.3
Take the specified root of both sides of the equation to eliminate the exponent on the left side.
Step 3.2.4
Any root of is .
Step 3.2.5
The complete solution is the result of both the positive and negative portions of the solution.
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Step 3.2.5.1
First, use the positive value of the to find the first solution.
Step 3.2.5.2
Next, use the negative value of the to find the second solution.
Step 3.2.5.3
The complete solution is the result of both the positive and negative portions of the solution.
Step 3.3
Replace all occurrences of with in each equation.
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Step 3.3.1
Replace all occurrences of in with .
Step 3.3.2
Simplify the right side.
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Step 3.3.2.1
Simplify .
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Step 3.3.2.1.1
One to any power is one.
Step 3.3.2.1.2
Multiply by .
Step 3.3.2.1.3
Subtract from .
Step 3.3.2.1.4
Multiply by .
Step 3.3.2.1.5
Rewrite as .
Step 3.3.2.1.6
Pull terms out from under the radical, assuming positive real numbers.
Step 3.3.2.1.7
Multiply by .
Step 3.4
Replace all occurrences of with in each equation.
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Step 3.4.1
Replace all occurrences of in with .
Step 3.4.2
Simplify the right side.
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Step 3.4.2.1
Simplify .
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Step 3.4.2.1.1
Multiply by by adding the exponents.
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Step 3.4.2.1.1.1
Multiply by .
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Step 3.4.2.1.1.1.1
Raise to the power of .
Step 3.4.2.1.1.1.2
Use the power rule to combine exponents.
Step 3.4.2.1.1.2
Add and .
Step 3.4.2.1.2
Raise to the power of .
Step 3.4.2.1.3
Subtract from .
Step 3.4.2.1.4
Multiply by .
Step 3.4.2.1.5
Rewrite as .
Step 3.4.2.1.6
Pull terms out from under the radical, assuming positive real numbers.
Step 3.4.2.1.7
Multiply by .
Step 4
The solution to the system is the complete set of ordered pairs that are valid solutions.
Step 5
The result can be shown in multiple forms.
Point Form:
Equation Form:
Step 6