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Reduce each rational expression to lowest terms. Assume that the variables represent only numbers for which the denominators ar...Asked by Sandra
Reduce each rational expression to lowest terms. Assume that the
variables represent only numbers for which the denominators are
nonzero.
a^2-b^2/a-b
variables represent only numbers for which the denominators are
nonzero.
a^2-b^2/a-b
Answers
Answered by
Marth
I assume you mean (a^2-b^2)/(a-b)
a^2 - b^2 factors to (a-b)(a+b) by the difference of two squares.
You now have (a-b)(a+b)/(a-b). The (a-b) cancel out, leaving you with (a+b)
a^2 - b^2 factors to (a-b)(a+b) by the difference of two squares.
You now have (a-b)(a+b)/(a-b). The (a-b) cancel out, leaving you with (a+b)