algebra II
posted by maddie .
Solve the quadratic equation 12x^2 + 36a^2= 43ax by factorization
Show your work

I prefer to write it as
12x^2 43 ax + 36a^2 = 0
Look for something of the form
(4x ma)(3x  na) where mn = 36 and
(3m + 4n) = 43
How about m = 9 and n = 4?
(4m 9a)(3m  4a) It works