I'm not sure how they expect you to find a+b+c, but here's a start:
I've found this strange question, which asks the following:
Now, this question was in a quadratics exam.
The solution given is quite simple, but it doesn't really seem to make sense.
Can someone help?
Thanks all for your replies!!!
It's great to see people willing to help!
chisigma, the good thing is that this is a past test question with multiple choices.
So, if 44 wasn't there we could also say that 170 would be a result!
Thanks Soroban, with your clear-as-always explanations.
And CoffeeMachine for the introduction to it.
Before asking I was stuck on the second line.
Thanks all for your cooperation