Consider the quadratic equation x² 20x + 13 = 0.
-
Completing the square leads to the equivalent equation (x-
—)² = —

Consider the quadratic equation x 20x 13 0 Completing the square leads to the equivalent equation x class=

Respuesta :

x^2 + 20x + 13 = 0
x^2 + 20x = -13

(B/2)^2 = (20/2)^2 = 10^2 = 100

x^2 + 20x + 100 = -13 + 100

(x + 10)^2 = 87