Fill in the blanks 8. -2 9. 1. 10.8× 10 ˇ 6 1.4 12. 1/3 13.8 10.

18 ( 1) (-2)^2-2÷ 1/3+20 10^0

=4-6+ 1

=- 1

(2) [(x+3)^2+(x+3)(x-3)]÷2x

=(x^2+6x+9+x^2-9)÷2x

=(2x^2+6x)÷2x

=x+3

(3) 3(x-2)=2(x- 1)

3x-6=2x-2

x=4

That's all the answers, and the following is gone.