Question

Which of these is a factor of m2 + 25n2 + 16p2 + 10mn - 40np - 8pm?

Answer 1

Answer:

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Step-by-step explanation:

$m {}^{2} + (5n) {}^{2} + ( - 4p) {}^{2} + 2(m)(5n) + 2(5n)( - 4p) + 2( - 4p)(m) \\ (m + 5n + 4p) {}^{2}$