Question

Which are the solutions of x2 = –11x + 4?

Answer 1

If your on edu the simple answer is A

Explanation:

Answer 2

Add 11x and complete the square
.. x^2 +11x = 4
.. x^2 +11x +5.5^2 = 4 +5.5^2
.. (x +5.5)^2 = 34.25
.. x = -5.5 ±√34.25
.. x ≈ {-11.35235, 0.35235}