Polynomials Product of Polynomials and Special Products

What is the product of 2x + 5 and 2x - 5?

• 4x² - 20x - 25

• 4x² + 20x - 25

• 4x² - 25

• 4x² + 25

Which is the product of -2xy and ( 5x² - 7x + 4)?

• -10x³y² + 14 x²y - 8xy

• -10x³y² - 14 x²y - 8xy

• 10x³y + 14 x²y - 8xy

• -10x³y + 14 x²y - 8xy

Which is the special product of 5x - 9 and 5x + 9?

• 25x² - 49

• 25x² - 90x + 49

• 25x² + 49

• 25x² - 90x - 49

-3x ( 5x² - 7x + 6) = ___________________.

• -15x³ - 21x² - 18x

• -15x³ + 21x² + 18x

• -15x³ - 21x² +18x

• -15x³ + 21x² - 18x

(8x²y - 9) (8x²y + 9)= ___________________.

• 64x⁴y² - 81

• 64x⁴y² + 81

• 64x⁴y² - 144x²y - 81

• 64x⁴y² - 144x²y + 81

(3x + 2)³ = ___________________.

• 27x³ + 18x² + 36x + 8

• 27x³ + 54x² + 36x + 6

• 27x³ + 54x² + 36x + 8

• 27x³ + 54x² + 24x + 8

(x - 1) ( 3x² + 5x - 2) = ___________________.

• 3x³ + 2x² - 7x + 2

• 3x³ - 2x² - 7x + 2

• 3x³ + 2x² - 7x - 2

• 3x³ - 2x² - 7x - 2

(7x² - 11) (7x² + 11) = ______________

• 49x⁴ - 154x -121

• 49x⁴ - 121

• 49x⁴ + 121

• 49x⁴ - 154x + 121

( 7x - 11)² = ________________

• 49x² +154x + 121

• 49x² - 154x - 121

• 49x² +154x - 121

• 49x² - 154x + 121

(4x² - 3)² = _________________

• 16x⁴ + 9

• 16x⁴ + 24x² + 9

• 16x⁴ - 24x² + 9

• 16x⁴ - 9