Question

(3m² - n) (m² - 2n)

Please solve the question step.by step.
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Answer 1

Answer:

$3m {}^{2} (m {}^{2} - 2 {}^{2} ) - n(m {}^{2} - 2)$

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Answer 2

${3m}^4 - 7m {}^{2} n + 2n {}^{2}$

(3m²-n) (m²-n)

=>m²(3m²-n²)-2n(3m²-n)

=>3m^4-6m²n-m²n+2n

=>3m^4-7m²n+2n²

Hope it helps