Question

i Need help

Answer 1

-2(a^2) if a=(-5/2)

The first thing we need to do is square a, which would mean squaring (-5/2). So, (-5/2)(-5/2)=25/4. Now, we need to multiply this by -2, which would give us our final answer of -50/4 or -25/2.

\[-2(-5/2)^{2} = -2(25/4) = -50/4 = -25/2\]