5x(x+2) = 3

Solve using quadratic formula and give answer correct to 2 decimal places.

The answer is 2.27,0.27 OR 2.26,0.26 ?

I think answer should be 2.27,0.27 after complete rounding off.

(Answer given in book is 2.26,0.26 )

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Solution

Here your answer is correct
in general we don't look accurate rounding
Decimal after 1 point not strictly focused
But in especially rounding off we calculate according to strictly rules

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