Posted by Chirs on .
d^=7d12 (factoring the same as the last one

Algebra cont 
drwls,
d^2 7d + 12 = 0 can be factored and rewritten
(d4)(d3) = 0
Multiply it out to verify.
It is customary when typing equations to put the exponent (in this case 2) after the ^ sign