09-02-2017
Mathematics

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.
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michday michday

09-02-2017

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

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