Question

Multiply the following column method:
$(5m - 3n) \times (4m + 6n)$
​

Answer 1

Answer:

=20m²+18mn-18n²

Step-by-step explanation:

=5m(4m + 6n)- 3n(4m + 6n)

=20m²+30mn-12mn-18n²

=20m²+18mn-18n²

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