Question

Expand: i) (3+10)2 , ii) (√2+√3)2 iii) (+7)(+4) iv) ( + )( − )(2 + 2)

Answer 1

Answer:

1. 3×2+10×2=6+20=26

2.1.41×2+1.73×2=2.82+3.46=6.28