contestada

What is the value of the expression
5-a(9 +(ab +2)/\ 2 -7) when a=2 and b=-3
The arrow means to the power of 2.
15 POINTS!!!

Respuesta :

5-a(9+(ab+2)-7)
5-2(9+(2*-3=-6+2)^2-7)
5-2(9+(-4)^2-7)
5-2(9+16-7)
5-2(18)
5-36
-31