Question

Solve quadratic equation by completing the square. Check both roots.
problem below

Answer 1

\[2x^2-12x +16=0\]

Answer 2

please explain each step
I am having trouble with it

Answer 3

2(x^2-6x+8)=0
2[(x-4)(x-2)]=0

Answer 4

please do explain why you do each step

Answer 5

1st step- Factor out 2.
Second step- What 2 numbers add to the end value, and multiply to the middle value?

Answer 6

Those 2 values are then put into the brackets as you see them.

Answer 7

And here, the signs of positive and negatives are reversed because when you solve for x individually,
x-4=0
x=4.
Ok?

Answer 8

ok but there is supposed to be two answers

Answer 9

4 is one of them