(a+b)2 =a2 +2ab+b2
(a-b)2 =a2 +2ab+b2
(x+1)2=x2+2x+1
(x+2)2=x2 +4x+4
(x+3)2=
(x+4)2=
(x+5)2=
(x+6)2=
(2x+1)2=
(3x-2)2=
(5x-2)2=
(3x-4)2=
(3x+5)2=
a2 +2ab+b2=(a+b)2
a2 -2ab+b2=(a-b)2
a2 +2a +1=(a+1)2
a2 +12a +36=(a+6)2
a2 +14a +49=
4a2 +4a +1= (2a+1)2
9a2 +6a +1=
16a2 +24a +9=
a2 +2ax +x2=
m2 +2mn +n2=
4b2 +20ab +25a2=
a2 +12ax +36x2=
a2 +16a +64=
(a-b)(a+b)= a2- b2
(a-1)(a+1)= a2- 1
(a-2)(a+2)= a2- 4
(a-3)(a+3)= a2- 9
(a-4)(a+4)=
(a-5)(a+5)=
(a-6)(a+6)=
(2a-1)(2a+1)=
(3a-4)(3a+4)=
(5a2-1)(5a2+1)=
(4a3-1)(4a3+1)=
(a-10)(a+10)=
a2- b2= a-b)(a+b)
a2- x2= (a-x)(a+x)
a2- 4= (a-2)(a+2)
a2- 9=
a2- 25=
9a2- x2=
x2 -100=
36- x2=
81- x2=
100-9 x2=
a2- 16y2=
a2- x2=