Verify if given question is factor of 2m + 2 or not.
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6m³+18m²-12
put, m=-1
-6+18-12=0
so, m+1 is a factor of equation.
6(m³+3m²-2) =6(m+1) (m²+2m-2) =
3×2(m+1) (m²+2m-2)
3(2m+2) (m²+2m-2)
so, 2m+2 is a factor of equation.
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