SOLUTION: Factorize 49x^2-16y^2

Algebra.Com
Question 1155292: Factorize
49x^2-16y^2

Answer by ikleyn(52794)   (Show Source): You can put this solution on YOUR website!
.

    = (7x - 4y)*(7x + 4y).


Those who know this basic algebra identity


    a^2 - b^2 = (a - b)*(a + b)


will solve this problem MOMENTARILY.


RELATED QUESTIONS

-(7x)^2 = 49x^2 or... (answered by dabanfield)
Hello! I am working on my Foiling, and I wish to know if I worked it out correctly.... (answered by rfer)
20t^2-5 Factorize. (answered by Susan-math)
Conics: Equation: 16y^2=49x^2+784 I need all necessary parts and need to know which... (answered by KMST)
49x^2+9=42x (answered by tutorcecilia)
solve... (answered by tutorcecilia)
Solve... (answered by sudhir)
49x^2-49 (answered by Mathtut)
Solve... (answered by vleith)