Question

fine the square of m² – n²
please solve this step by step
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Answer 1

Answer:

m2- n2

( m+n) ( m-n)

m(m+n) n(m+n)

m2+mn+nm-n2

m2-n2

Answer 2

Answer:

By the way, this process is called "completing the square" because we add a term to convert the quadratic expression into something that factors as the square of a binomial; that is, we've "completed" the expression to create a perfect-square binomial.)