Question 25947
<pre><font size = 4><b>Evaluate for m = -3

3 - 2m<sup>2</sup>

Instead of m write (-3)

3 - 2(-3)<sup>2</sup>

Do exponents first so replace (-3)<sup>2</sup> 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</pre