Question

X square -4y square and x square+xy-2y square
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Answer 1

Expression 1: x^2 - 4y^2

This expression is a difference of squares. It can be factored as (x - 2y)(x + 2y). This means that the original expression can be written as the product of two binomials: (x - 2y)(x + 2y).

Expression 2: x^2 + xy - 2y^2

This expression cannot be factored easily. However, it is a quadratic expression since it has an x^2 term. We can also rewrite it in descending order of powers: x^2 - 2y^2 + xy.