kengr (
kengr
) wrote
2006-08-19 11:34 pm (UTC)
no subject
You aren't solving for a particular variable.
The problem is
(A + B)(A - B) = B(A-B)
To reduce this, you divide by (A-B). But look at the given. A=B. Therefore, if you divide by (A-B) what are you dividing by? <eg>
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no subject
The problem is
(A + B)(A - B) = B(A-B)
To reduce this, you divide by (A-B). But look at the given. A=B. Therefore, if you divide by (A-B) what are you dividing by? <eg>