Basic Math Examples

Simplify (3z^2-3)/(15z^2-15)*(75z+75)/(5z-5)
Step 1
Simplify the numerator.
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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
Rewrite as .
Step 1.3
Since both terms are perfect squares, factor using the difference of squares formula, where and .
Step 2
Simplify the denominator.
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Step 2.1
Factor out of .
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Step 2.1.1
Factor out of .
Step 2.1.2
Factor out of .
Step 2.1.3
Factor out of .
Step 2.2
Rewrite as .
Step 2.3
Since both terms are perfect squares, factor using the difference of squares formula, where and .
Step 3
Simplify terms.
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Step 3.1
Factor out of .
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Step 3.1.1
Factor out of .
Step 3.1.2
Factor out of .
Step 3.1.3
Factor out of .
Step 3.2
Factor out of .
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Step 3.2.1
Factor out of .
Step 3.2.2
Factor out of .
Step 3.2.3
Factor out of .
Step 3.3
Cancel the common factor of .
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Step 3.3.1
Factor out of .
Step 3.3.2
Factor out of .
Step 3.3.3
Cancel the common factor.
Step 3.3.4
Rewrite the expression.
Step 3.4
Cancel the common factor of .
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Step 3.4.1
Factor out of .
Step 3.4.2
Cancel the common factor.
Step 3.4.3
Rewrite the expression.
Step 3.5
Multiply by .
Step 3.6
Multiply by .
Step 3.7
Cancel the common factor of and .
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Step 3.7.1
Factor out of .
Step 3.7.2
Cancel the common factors.
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Step 3.7.2.1
Factor out of .
Step 3.7.2.2
Cancel the common factor.
Step 3.7.2.3
Rewrite the expression.