Basic Math Examples

Simplify (4/(a^2+8a+16))/(7/(a^2-16))
Step 1
Multiply the numerator by the reciprocal of the denominator.
Step 2
Factor using the perfect square rule.
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Step 2.1
Rewrite as .
Step 2.2
Check that the middle term is two times the product of the numbers being squared in the first term and third term.
Step 2.3
Rewrite the polynomial.
Step 2.4
Factor using the perfect square trinomial rule , where and .
Step 3
Simplify the numerator.
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Step 3.1
Rewrite as .
Step 3.2
Since both terms are perfect squares, factor using the difference of squares formula, where and .
Step 4
Simplify terms.
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Step 4.1
Combine.
Step 4.2
Cancel the common factor of and .
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Step 4.2.1
Factor out of .
Step 4.2.2
Cancel the common factors.
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Step 4.2.2.1
Factor out of .
Step 4.2.2.2
Cancel the common factor.
Step 4.2.2.3
Rewrite the expression.
Step 4.3
Move to the left of .