SOLUTION: (a -9b)(2a + 7b) 2a2 - 11ab - 63b2 not sure if this has been solved correctly and if I missed a step

Algebra ->  Algebra  -> Polynomials-and-rational-expressions -> SOLUTION: (a -9b)(2a + 7b) 2a2 - 11ab - 63b2 not sure if this has been solved correctly and if I missed a step      Log On

Ad: Algebra Solved!™: algebra software solves algebra homework problems with step-by-step help!
Ad: Algebrator™ solves your algebra problems and provides step-by-step explanations!

   

Question 45476: (a -9b)(2a + 7b)
2a2 - 11ab - 63b2
not sure if this has been solved correctly and if I missed a step
Answer by stanbon(48579) About Me  (Show Source):
You can put this solution on YOUR website!
Looks good.
Cheers,
Stan H.