Question

What exactly is meant by the expression 'Completing the Square'? Give an example as part of your explanation.

Answer 1

completing the square is making the expression a bunch of perfect squares in order to solve it easily and find

Explanation:

If i have the expression x^2 + 4x + 1 = 0

i move the one to the right side

x^2+4x=-1

then i add b over 2 squared to both sides

that is x^2+4x+4=3

now i would simply take the square root of both sides of this equation,

(x+2)^2=positive or negative 1.73

x+2=-1.73

x+2=1.73

then you subtract or add to solve for both possible values of x