Question

How do you simplify 7m2n+4m2n2−4m2n?

Answer 1

Solution:

7m²n +4m²n²-4m²n

Write like terms at one place,

we get

= 7m²n-4m²n + 4m²n²

= (7-4)m²n + 4m²n²

= 3m²n + 4m²n²

Or

= m²n(3+4n)

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