Multiplying Binomials with Special Cases

Find the product:
(x + 12)(x - 12)

• x² - 144

• x² + 144

• x² + 12x - 144

• x² - 12x + 144

(x + 12)(x - 12)

• x² - 144

• x² + 144

• x² + 12x - 144

• x² - 12x + 144

Write the expanded (general) form of the product (x+3)(x+6).

• x²+18x+9

• x²+9x+18

• x²+18x+18

Which rectangle diagram is correct for the product (x+3)(x+6)?

• a

• b

• c

Perform the given operation.

(4x - 1)(5x - 2)

Mathematical Equivalence

OFF

Find the product:

(3x² – 1)(3x² + 5x+4)

• 6x² + 4x + 5

• 9x⁴ + 15x³ - 4x

• 6x² + 15x³ - 20x² - 5x + 4

• 9x⁴ + 15x³ - 9x² - 5x - 4

Perform the given operation.

(x + 7)(x - 2)

Mathematical Equivalence

OFF

Perform the given operation.

(x − 3)(6x − 2)

Mathematical Equivalence

OFF

Multiply:

(x-2)(x+5)

Mathematical Equivalence

ON

• Step 1, cannot distribute an expression with more than one term.

• Step 2, cannot use commutative property with multiplication.

• Step 3, distributed incorrectly.

• Step 4, did not combine like terms correctly.

• Ana got the correct answer.