If using the method of completing the square to solve the quadratic equation x² + 20x6 = 0, which number would have to be added

Question

enyata [817]

2 years ago

11

If using the method of completing the square to solve the quadratic equation x² + 20x6 = 0, which number would have to be added

to "complete th square"?

Mathematics

1 answer:

deff fn [24] · Answer 1 · 2023-04-03T02:09:28+03:00

deff fn [24]2 years ago

5 0

Is the equation x^2 + 20x + 6?

CTS: (b/2)^2 = 20/2 ^ 2 = 10^2 = 100

x^2 + 20x + 6 + 100 = 100
x^2 + 20x + 100 = 100 - 6
(x + 10)^2 = 94
x + 10 = square root (94)
x = -10 +/- square root (94)