math test

• a^2 + 2ab + b^2
• a^2 - b^2
• a^2 + ab + b^2
• a^2 - 2ab + b^2

• c^2 + 2cd + d^2

• c^2 - d^2

• c^2 + cd + d^2

• c^2 - 2cd + d^2

• x^2 + 2xy + y^2

• x^2 - y^2

• x^2 + xy + y^2

• x^2 - 2xy + y^2

• m^2 + 2mn + n^2

• m^2 - n^2

• m^2 + mn + n^2

• m^2 - 2mn + n^2

• a^2+2ab+b^2

• a^2-2ab+b^2

• a^2-b^2

• a^2+b^2

• (a+b)(a+b)

• (a-b)(a-b)

• (a+b)(a-b)

• a^2-2ab+b^2

• m^2 - 2mn + n^2

• m^2 + n^2

• m^2 - n^2

• m^2 + 2mn + n^2

• (x-y)(x-y)

• (x+y)(x+y)

• (x-y)(x+y)

• x^2+y^2

• x^2+4x
• x^2-2x
• 2x^2+x
• x^2+2x

• 4x^2 + 2x + 1
• 4x^2 + 4x - 1
• 2x^2 + 2x + 1
• 4x^2 + 4x + 1