Final answer to the problem
Step-by-step Solution
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Multiply the single term $m+n$ by each term of the polynomial $\left(m_-n\right)$
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$m_\left(m+n\right)-n\left(m+n\right)$
Learn how to solve problems step by step online. Simplify the expression (m_-n)(m+n). Multiply the single term m+n by each term of the polynomial \left(m_-n\right). Simplify the product -(m+n). Multiply the single term m_ by each term of the polynomial \left(m+n\right). Multiply the single term n by each term of the polynomial \left(-m-n\right).