Question

considerando a= √9m, b= 2√100m, c= -8√36m e determine a-b-c

Answer 1

√9- 2√100-(-8√36)
$3 - 2 \times 10 + 8 \times 6 \\ 3 - 20 + 48 \\ 31$

Answer 2

a=√9m
b=2√100m
c=-8√36


a-b-c=
√9m - 2√100m - (-8√36m)=
3m-2×10m+8×6m=
3m-20m+48m=
-17m+48m=
31m



Ok