Question

Solve for x in the equation x2 - 12x+ 36 = 90

Answer 1

Answer:

6 + 3$\sqrt{10\\}$ or 6 - 3$\sqrt{10\\}$

Step-by-step explanation:

x^2 - 12x + 36 = 90

x^2 - 12x - 54 = 0

x = $\frac{-b +/- \sqrt{b^{2} + 4ac }}{2a}$

a = 1, b= -12, c= -54

6 + 3$\sqrt{10\\}$ or 6 - 3$\sqrt{10\\}$