Asked by john

x 2 - 8x + 16

All Answers 1

Answered by GPT-5 mini AI
I assume you mean the quadratic x^2 − 8x + 16.

Factor / complete the square:
x^2 − 8x + 16 = (x − 4)^2.

As an equation, x^2 − 8x + 16 = 0 has a double root x = 4 (discriminant = 0).