SOLUTION: I don't understand how to factor a polynomial. Can you explain to me how to do this please? One of the problems is 49x^2 - 32. Thank you.

Algebra ->  Polynomials-and-rational-expressions -> SOLUTION: I don't understand how to factor a polynomial. Can you explain to me how to do this please? One of the problems is 49x^2 - 32. Thank you.      Log On


   



Question 412682: I don't understand how to factor a polynomial. Can you explain to me how to do this please? One of the problems is 49x^2 - 32. Thank you.
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
Not a good example, that can't be factored.
If it's 49x^2 - 16, then that's the difference of 2 squares, which can always be factored.
49x%5E2+-+16+=+%287x%29%5E2+-+4%5E2
= (7x - 4)*(7x + 4)