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2 solutions... x = 3 and x = 2... do u need a detailed explanation as before?

Oh yes please! If anyone who have different idea please let me know

hold on a minute

yes - the one that is not a solution is called extraneous.

So I'm correct?

only 3 is a solution... I was wrong; a bit!

So, can you tell me which one is correct? @welshfella @mathmate

I'm lost!!!

workout:

it should be
5(x + 2) - 20 = x^2 - 4

I got 2 solutions....

what are they/

x=3 and x=2

is it your workout?

I think there's one solution which is x=3

So it's right?

So my final answer is 1 solution only!

yes... correct