How do you solve \frac { - 3a } { a + 6} = \frac { 3} { a - 6}?

1 Answer

the value of a is 2 or 3

Explanation:

given that (-3a)/(a+6)=3/(a-6)rArr-3a(a-6)=3(a+6)
rArr-3a^2+18a=3a+18rArr-3a^2+18a-3a-18=0
rArr-3a^2+15a-18=0rArr3a^2-15a+18=0rArr
3a^2-6a-9a+18=0rArr3a(a-2)-9(a-2)=0rArr
(3a-9)(a-2)=0rArra=2 or3