Multiply (m+2n) and (-3m+n)
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3
(m+2n)(-3m+n)
=m(-3m+n)+2n(-3m+n)
=-3m²+mn-6mn+2n²
=-3m²-5mn+2n²
Answered by
0
Step-by-step explanation:
(m+2n) (-3m+n)
= -3m²+mn-6mn+2n²
= -3m²-5mn+2n²
= -(3m²+5mn-2n²)
=3m²+5mn-2n²
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