Question

Find the value of X in terms of a and b
X^2-(a+b)X+ab

Answer 1

x²-(a+b)x+ab=0,

x²-ax-bx+ab=0,

x(x-a)-b(x-a)=0,

(x-a)(x-b)=0,

if
(x-a)=0,

then

x=a,

if
(x-b)=0,

then

x=b