Answer to Question #220138 in Algebra for Ammu

Question

X(x-3)-y(x+3y)

Answer 1

simplify by opening the brackets then distribute

X(x-3)-y(x+3y)

$x^2-3x-x.y-3y^2$

rearrange the terms

$x^2-3y^2-x.y-3x$