Finite Math Examples

Solve for y 4x^2+4y^2=64
Step 1
Subtract from both sides of the equation.
Step 2
Divide each term in by and simplify.
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Step 2.1
Divide each term in by .
Step 2.2
Simplify the left side.
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Step 2.2.1
Cancel the common factor of .
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Step 2.2.1.1
Cancel the common factor.
Step 2.2.1.2
Divide by .
Step 2.3
Simplify the right side.
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Step 2.3.1
Simplify each term.
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Step 2.3.1.1
Divide by .
Step 2.3.1.2
Cancel the common factor of and .
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Step 2.3.1.2.1
Factor out of .
Step 2.3.1.2.2
Cancel the common factors.
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Step 2.3.1.2.2.1
Factor out of .
Step 2.3.1.2.2.2
Cancel the common factor.
Step 2.3.1.2.2.3
Rewrite the expression.
Step 2.3.1.2.2.4
Divide by .
Step 3
Take the specified root of both sides of the equation to eliminate the exponent on the left side.
Step 4
Simplify .
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Step 4.1
Rewrite as .
Step 4.2
Since both terms are perfect squares, factor using the difference of squares formula, where and .
Step 5
The complete solution is the result of both the positive and negative portions of the solution.
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Step 5.1
First, use the positive value of the to find the first solution.
Step 5.2
Next, use the negative value of the to find the second solution.
Step 5.3
The complete solution is the result of both the positive and negative portions of the solution.