Question

(x+a)(x+b)=x²+(a+b)+ab Geomentrical figure for the above identity

Answer 1

(x+a)( x+b)
x(x+b) a(x+b)
x^2 +xb +ax +ab
take common x
x^2+x(a+b) +ab

HOPE IT WILL HELP U

Answer 2

$Total \: area \: of \: the \: bigger \: rectangle \: is \: (x+a)(x+b) \\ which \: is \: also \: equal \: to \: {x}^{2} + ax + bx + ab = {x}^{2} + (a + b)x + ab$