Answer:
Explanation:
To simplify any algebraic equation we always use a formula B.O.D.M.A.S.
Which represents as
B- Bracket
O- Open or order
D- Divide
M-Multiply
A- Addition
S- Subtraction
Now we have to simplify

⇒ 17- 6(5)+12 Here we divide first (as per BODMAS)
⇒ 17-30+12 (Now we multiply)
⇒ 29 -30 (Addition)
⇒ (-1) (Finally subtraction)
So the final answer is (-1).