Question

Solve for x in the equation X2 - 10x+ 25 = 35.

X=5+2V6
X=5+ 35
x= 10+2.5
x= 10+ V35

Answer 1

9515 1404 393

Answer:

  x = 5 ± √35

Step-by-step explanation:

The equation is already in the form of a completed square. Taking the square root, we can find x.

  x² -10x +25 = 35

  (x -5)² = 35

  x -5 = ±√35 . . . . square root

  x = 5 ± √35 . . . . add 5