Question

Solve for x in the equation x2+2x+1= 17.

x=-1: V15
x=-11/17
X=-2=2.5
X=-11 13

Answer 1

x=-1

Explanation:

x^2+2x=16=0

Use the quadratic formula to find the solutions.

−b±√b2−4(ac)/

2a

Substitute the values

a=1, b=2, and c=−16 into the quadratic formula and solve for x