[tex]\boxed{\underline{\bf \: ANSWER}}[/tex]
a = -3
b = -4
c = -5
Substitute the values in a (b + c).
[tex] \sf \: a(b + c) \\ \sf \: = - 3( - 4 + - 5) \\ \sf = - 3( - 9) \\ \sf = - 3 \times - 9 \\ = \boxed{ \sf 27}[/tex]
Hope it helps!
RainbowSalt2222
Answer: 27
Step-by-step explanation: -4+-5 = -9 x -3 = 27 its not negative trust me for some reason multiplying two negatives = a positive