SOLUTION: Factorize: {{{ 9a^2 - b^2}}} and 3x-8y -4xy + 6

Algebra ->  Expressions-with-variables -> SOLUTION: Factorize: {{{ 9a^2 - b^2}}} and 3x-8y -4xy + 6      Log On


   

Question 824767: Factorize:
+9a%5E2+-+b%5E2
and
3x-8y -4xy + 6
Answer by ankor@dixie-net.com(22740) About Me  (Show Source):
You can put this solution on YOUR website!
Factorize:
9a^2 - b^2
this can be factored as the "difference of squares"
(3a-b)(3a+b)
and
3x-8y -4xy + 6
Group factor here
3x + 6 - 8y - 4xy
Factor out 3 and -4y
3(x+2) - 4y(2+x)
same as
3(x+2) - 4y(x+2)
Factor out (x+2)
(x + 2)(3 - 4y)