Using (a+b)^2
Expand (x + 5)2
x2+ 10x + 25
Expand: (x+2)(x-2)
x^2 - 4
Expand: (3x - 1)2
9x2 -6x+1
Expand (a2+b2)2
a4+ 2a2b2+ b4
Expand (2x+y)2
4x2 + y2 + 4xy
Expand: (xy - ab)(xy + ab)
x2y2- a2b2
Expand: (2x - 10y)2
4x2 - 40xy + 100y2
Expand (5y+3)(5y - 3)
25y2 - 9
Free points!!!!
Good for you!
Free points!!
Yayyy
Expand: (8x2 - 5y2)2
64x4 + 25y4 - 80x2y2
No point here!
Oh no!
Expand (9a + 4b)2
81a2 + 72ab + 16b2
Expand: (2a - 5b)(2a + 5b)
4a2- 25b2
Expand: (5xy2 - 2y)2
25x2y4 - 20 xy3 + 4y2
Expand: (xy3 + 4)(xy3 - 4)
x2y6 - 16
Expand (2x4 + y3)2
4x8 + 4x4y3 + y6
Expand: (x2y2 - 1)(x2y2 + 1)
x4y4 - 1
Sorry no points here!
!!!!
Expand: (5a4 - 9b4)2
25a8 - 90a4b4 + 81b8