Simplify 2−18m21+3m
2(1+3m)
2(1+3m2)
2(1−3m)
2(1−3m2)
Correct answer is C
2−18m21+3m=2(1−(3m)2)1+3m
frac2(1−(3m)(1+3m)1+3m=2(1−3m)
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