Question

What is the positive solution to the equation 0 = -x2 + 2x + 1?

Answer 1

2.414 to the nearest thousandth.

Explanation:

-x^2 + 2x + 1 = 0

Using the quadratic formula:

x = [- 2 +/- √(2^2 - 4 * -1 * 1)] / -2

= -0.414 , 2.414.

Answer 2

there is no solution

Explanation:

1st switch sides: -x2+2x+1=0

2nd add similar elements: -2x + 2x = 0

1 = 0

Thus, this equation has no solution

hope i helped :)