Multiplying Binomials and Special Products

(a-b)(a-b)

• a²-b²

• a²-4ab+b²

• a²-2ab+b²

• 2a²-4ab+2b²

When you multiply (x - 10)(x + 10), how many terms will the answer have?

• one term

• two terms

• three terms

(3m + 1)(3m – 1)

• 9m² – 1

• 9m² – 6m – 1

• 9m² + 1

• 9m² + 6m – 1

(3a + 4)²

• 9a²+12a+16

• 9a²+24a+16

• 9a²+12a+8

• 9a²+24a+8

(2x−y)²

• 4x²−4xy+y²

• 4x²+y²

• 4x²−y²

• 4x²+4xy+y²

(2x−9)(2x+9)

• 4x²−36x−81

• 4x²+36x−81

• 4x²+81

• 4x²−81

(6 + 2y)(6 − 2y)

• 36−4y²

• 4y²−36

• 36−24y−4y²

• 4y²−24y−36

(7r+6)(7r+6)

• 49r²+36

• 49r²-36

• 49r²+84r+36

• 49r²+42r+36

(n²-5)(n²-5)

• n⁴-10n²-25

• n⁴-5n²-25

• 2n⁴-10n²+25

• n⁴-10n²+25

(10x+12y)²

• 100x²+120xy+144y²

• 100x²+240xy+144y²

• 20x²+120xy+24y²

• 20x²+120xy+144y²