SOLUTION: divide and simplify. a2 is A squared A2+3a-18 a2+12a+36 ----------- div ----------- --- A2+6a+9 a2+4a-21

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Question 260673: divide and simplify. a2 is A squared
A2+3a-18 a2+12a+36
------------ div ---------------
A2+6a+9 a2+4a-21
Answer by checkley77(12844) About Me  (Show Source):
You can put this solution on YOUR website!
a^2+3a-18 a^2+12a+36 factor all terms.
------------ div ---------------
a^2+6a+9 a^2+4a-21
[(a-3)(a+6)/(a+3)(a+3)]/[(a+6)(a+6)/(a-3)(a+7)] invert the denominator & mult.
[(a-3)(a+6)/(a+3)(a+3)] cancel out the (a+6) terms.
[(a-3)/(a+3)(a+3)]
[(a-3)^2(a+7)]/[(a+3)^2(a+6)] ans.