hannah5143
05.11.2019 •
Mathematics
Solve for x in the equation x2 + 2x + 1 = 17.
x=-11 15
x=-1+ v17
x=-2+25
x=-1v13
Solved
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Ответ:
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
Ответ:
The answer fam is A. Hundreds