Intermediate Algebra Summery

Multiply that entry in line 3 by a and write the result in line 2, under the second coefficient. The first position of line 2 is blank. Add the numbers in the second position of lines 1 & 2, write in line 3. Repeat – multiply the new entry of line 3 by a, write in next position in line 2, add entries in lines 1 & 2, write in line 3 … ................
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