Use the Quadratic Formula to solve the equation x2 - 4x = - 7

Let's solve your equation step-by-step.

x2-4x=-7

Step 1: Subtract - 7 from both sides.

x2-4x - (-7) = -7 - (-7)

x2-4x+7=0

Step 2: Use quadratic formula with a=1, b=-4, c=7.

x=

-b±√b2-4ac

2a

x=

- (-4) ±√ (-4) 2-4 (1) (7)

2 (1)

x=

4±√-12

2

Answer:

No real solutions.