Evaluate for m = -3
3 - 2m2
Instead of m write (-3)
3 - 2(-3)2
Do exponents first so replace (-3)2 by (9) since (-3)(-3)=(9)
3 - 2(9)
Do multiplications next, so replace 2(9) by 18
3 - 18
-15
Edwin
AnlytcPhil@aol.com
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