Question

Simplify: (l + m) (n - p) + (l - m) (n + p) + 3 (ln + mp)

Answer 1

Answer:

(l + m) (n-p)+(l-m) (n+p) + 3(ln + mp)

Step-by-step explanation:

= ln - lp + mn - mp + ln + lp - mn - mp + 3ln + 3mp

= 5ln + mp

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