SOLUTION: Please help with the following question. Solve by factoring and using the principle of zero products. a2 - 19a = 0

Algebra ->  Polynomials-and-rational-expressions -> SOLUTION: Please help with the following question. Solve by factoring and using the principle of zero products. a2 - 19a = 0       Log On


   

Question 302533: Please help with the following question.

Solve by factoring and using the principle of zero products.
a2 - 19a = 0


Found 2 solutions by Alan3354, Earlsdon:
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
Factor out an a.

Answer by Earlsdon(6294) About Me  (Show Source):
You can put this solution on YOUR website!
Solve:
a%5E2-19a+=+0 Factor an a.
a%28a-19%29+=+0 Apply the zero product principle.
a+=+0 or a-19+=+0
If a-19+=+0 then a+=+19
Solutions are:
a+=+0
a+=+19