Question

x² + 10x + 20 = 0

Please use the Completing Squares Method...If possible use both the types...

Answer 1

x² + 10x + 20 = 0

Subtract 20 from both sides of the equation.

x² + 10x = −20

Add the (b/2)² = (5)² to each side of the equation.

x² + 10 + (5)² = −20 + (5)²

Simplify the equation

x² + 10x + 25 = 5

(x + 5)² = 5

x + 5 = ±√5

x = ±√5-5

Answer 2

Answer:

6,5,4

this is your answer

mark as brilliant.