5+5+5-5+5-5+5x0=?
5 + 5 + 5 – 5 + 5 – 5 × 0
=5 + 5 + 5 – 5 + 5 – 0
=20 – 5
=15
However if you meant, (5 + 5 + 5 – 5 + 5 – 5 )× 0
then the answer is 0.
5+5+5-5+5-5+5x0=?
5 + 5 + 5 – 5 + 5 – 5 × 0
=5 + 5 + 5 – 5 + 5 – 0
=20 – 5
=15
However if you meant, (5 + 5 + 5 – 5 + 5 – 5 )× 0
then the answer is 0.