Question 257487
Our equation was
{{{12a^2 + 36b^2 -43ab=0}}}
step 1 - rewrite in descending order to get
{{{12a^2 - 43ab + 36b^2 = 0}}}
step 2 - factor to get
{{{(3a-4b)(4a-9b) = 0}}}
step 3 - set each part = 0 and solve to get
{{{a = (4/3)b}}}
{{{a = (9/4)b}}}