(a + b)^2 = a^2 + 2ab + b^2
1.(a + 2)^2=a2+4a+4
2. (x + 5)^2=x2+10x+25
3. (4 + y)^2=16+8y+y2
4. (m + 1)^2=m2+2m+1
5. (3 + c)^2=9+6c+c2
6. (2x + 1)^2=4x2+4x+1
7. (3a + 2b)^2=9a2+12ab+4b2
8. (5m + 4)^2=25m2+40m+16
9. (x + 10y)^2=x2+20xy+100y2
10. (2a + 7)^2=4a2+28a+49
11. (a + 3)^2 = a^2 + 6a + 9
12. (x + 4)^2 = x^2 + 8x + 16
13. (m+ 5)^2 = m^2 + 10m + 25
14. (2b +3)^2 = 4b^2 + 12b + 9
