Answer:X=-1+ V17
Step-by-step explanation:
X^2+2x +1 =17
Write down the equation in the form of ax^2+bx +c=0, by taking 17 to the LHS
X^2 +2x +1 -17=0
X^2+2x-16=0
Using formulae method.
X= -b^2 + (√b^2-4ac)/2a
b=2, a=1 and c=-16
Slot in your values
You will have
X=-1+ V17
