Polynomial Quiz Review

Find the product:
(5n-8)(5n+8)

• 25n²-64
• 10n²
• 5n²+16
• 16

Find the product:
(7r+5)(5r+3)

• 35r²+46r+15
• 12r+8
• 78r³+15
• 35r²+20r+15

Find the sum.
(2x² + 5x - 7) + ( 3 - 4x² + 6x)

• 2x² + 3x +1
• -2x² - 11x -4
• 2x² + 5x -7
• -2x² + 11x -4

Find the difference. 
(3- 2x + 2x²) - (4x -5 +3x²)

• x_² + 6x + 8
• 2x² + 5x - 7
• -x² -6x + 8
• -2x² + 11x - 4

Find the difference.
(7p + 4p³ - 8) - (-3p² + 2 - 9p)

• -3p² + 4p³ -15 + 9
• 3p³ + 4p² - p + 3
• 4p³ -3p² +16p -10
• 4p³ +3p² + 16p + 10

Simplify the expression.
-3x²( 7x² - x + 4)

• -21x⁴ + 3x³ -12x²
• 7x² - x + 4 (-3x²)
• 21x⁴ + 3x³ + 12x²
• -12x² + 3x³ -21x⁴

Multiply.
(b+3)(b²+2b+1)

• b³+6b²+6b+3
• b³+5b²+7b+3
• 4b³+8b²+3b
• 3b³+6b²+3b

Find the product:
(x + 7)²

• x² + 7x + 7x + 49
• x² + 7x + 7
• 7x² + x + 7
• x² + 14x + 49

• x - 7
• x² - 7
• x + 7
• x² + 3x - 54

• 2x² - x + 1 + 9/(x-2)
• 2x³ - x² + x + 9
• 2x² - x + 10
• x²  - 2x + 1