Question

complete the following equation by completing square method
xsquare +5=-6x

Answer 1

x^2 + 5 = -6x

rearranging,

x^2 - 6x + 5 = 0

we can write it as,

x^2 + 2.3.x + 9-4 =0

(because 9-4 = 5)

assuming 'x' to be a and 3 as b, it will be in the form of (a-b)^2, so:

(x-3)^2 -4 = 0