Answer:
Step-by-step explanation:

Write the equation in factored form.

Separate equations, and set each factor to zero.


Rearrange and isolate the variable to find the solutions


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Answer:
a=5
Step-by-step explanation:
a^2+b^2=c^2
c^2-b^2=a^2
13^2-12^2=a^2
169-144=a^2
25=a^2
5=a
Answer:
36 inches per yard and 2 yards is 72 inches
Step-by-step explanation: