1)(x+1)^2=x^2+2x+1 1)(6-d)^2=36-12d+d^2
2)(a-3)^2=a^2-6a+9 2)(7+g)^2=49+14g+g^2
3)(y+3)^2=y^2+6y+9 3)(8-h)^2=64-16h+h^2
4)(b-4)^2=b^-8b+16 4)(9+k)^2=81+18k+k^2
5)(c+5)^2=c^2+10c+25 5)(10-m)^2=100-20m+m^2
6)(t-16)^2=t^2-32t+256 6)(n+11)^2=n^2+22n+121
7)(17+u)^2=199+34u+u^2 7)(p-12)^2=p^2-24p+14
8)(18-v)^2=664-36v+v^2 8)(q+13)^2=q^2+26q+169
9)(19+w)^2=361+38w+w^2 9)(r-14)^2=r^2-28r+196
10)(20-z)^2=400-40z+z^2 10)(s+15)^2=s^2+30s+225
11)(n+11)^2=n^2+22n+121 11)(n+12)^2=n^2+24n+144
12)(2x+y)^2=2x^2+4xy+y^2 12)(3x+y)^2=3x^2+6xy+y^2
13)(3a-b)^2=3a^2-6ab+b^2 13)(4a-b)^2=4a^2-8ab+b^2
14)(4c+2)^2=4c^2+16c+4 14)(4c+5)^2=4c^2+40c+25
15)(5d-3)^2=5d^2-30d+9 15)(6d-3)^2=6d^2-36d+9
16)(6h+4)^2=6h^2+48h+8 16)(2h+5)^2=2h^2+20h+25
2)13 1\5+4 2\7=13 7\35+4 10\35=17 17\35
3)2 3\10+ 6 1\9=2 27\90+6 10\90=8 37\90
4)4 2\3+74\5=4 10\15+224\15=4 234\15=19 9\15=19 3\5
5)7 3\20+8 4\5=7 3\20+8 16\20=15 19\20
6)2 7\48+11 77\96=2 14\96+11 77\96=13 91\96