8. Simplify.
a)
1.4 X 1.4 - 1.1 X 1.1
1.4 + 1.1
c)
2.7 X 2.7 - 1.3 X 1.3
2.7 - 1.3
e)
0.8 X 0.8 - 0.2 X 0.2
0.8 + 0.2​