Pre-Algebra Examples

Simplify (7x-21)/(5x+15)*(14x+42)/(10x-30)
Step 1
Factor out of .
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Step 1.1
Factor out of .
Step 1.2
Factor out of .
Step 1.3
Factor out of .
Step 2
Factor out of .
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Step 2.1
Factor out of .
Step 2.2
Factor out of .
Step 2.3
Factor out of .
Step 3
Factor out of .
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Step 3.1
Factor out of .
Step 3.2
Factor out of .
Step 3.3
Factor out of .
Step 4
Factor out of .
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Step 4.1
Factor out of .
Step 4.2
Factor out of .
Step 4.3
Factor out of .
Step 5
Cancel the common factor of .
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Step 5.1
Factor out of .
Step 5.2
Factor out of .
Step 5.3
Cancel the common factor.
Step 5.4
Rewrite the expression.
Step 6
Cancel the common factor of .
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Step 6.1
Factor out of .
Step 6.2
Factor out of .
Step 6.3
Cancel the common factor.
Step 6.4
Rewrite the expression.
Step 7
Multiply by .
Step 8
Multiply.
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Step 8.1
Multiply by .
Step 8.2
Multiply by .
Step 9
Cancel the common factor of and .
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Step 9.1
Factor out of .
Step 9.2
Cancel the common factors.
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Step 9.2.1
Factor out of .
Step 9.2.2
Cancel the common factor.
Step 9.2.3
Rewrite the expression.
Step 10
The result can be shown in multiple forms.
Exact Form:
Decimal Form:
Mixed Number Form: