Answer
To square a binomial difference we subtract twice the product of both terms from the square of each term.
Let binomial difference = x-y
square of this = $(x-y)^{2}$ = $x^{2}$ - 2xy+ $y^{2}$.
Work Step by Step
To square a binomial difference we subtract twice the product of both terms from the square of each term.
Let binomial difference = x-y
square of this = $(x-y)^{2}$ = $x^{2}$ - 2xy+ $y^{2}$.
Explanation-
$(x-y)^{2}$ = (x-y)(x-y)
= $x^{2}$ - xy -xy + $y^{2}$
= $x^{2}$ - 2xy+ $y^{2}$.
