Question

Use completing the square to solve the equation x2 - 10x = -8.

Which equation is used in the process?
a.x2 - 10x + 25 = 17
b.x2 - 10x + 25 = -8
c.x2 - 10x - 25 = -33

Answer 1

A. X^2-10x. =-8
To complete the square you get half of -10 and then square that number half of -10 is -5 and -5 times -5 equals positive 25 that would you add to each side

x^2-10x+25=-8+25
17

Answer 2

the answer is option 1: x2 - 10x + 25 = 17