Multiply Long Polynomial

(4x+1)(5x−2)

• 20x² + 3x − 2
• 20x² − 11x + 5
• 20x² − 18x + 2
• 20x² − 3x − 2

(x + 3)(x + 7)

• x² + 10x + 21
• x² + 21
• x² + 4x + 21
• x² − 10x + 21

(2x − 3)(2x + 3)

• 4x² − 12x + 9
• 4x² − 9
• 4x² + 9
• 4x² + 6x − 9

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

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

Simplify the expression.
x³(2x²+3x)

• 2x⁵+3x⁴
• 2x⁶+3x³
• 5x⁹
• 5x

-5x⁶(3x² - 12x + 30)

• -15x⁸ + 60x⁷ - 150x⁶

• 15x⁸ - 60x⁷ - 150x⁶

• 8x⁶ - 17x + 35

• -8x⁶ + 17x - 35x²

(5x+2)(x²-3x+6)

• 5x³ - 17x² +24x +12
• 5x³ + 17x² - 24x +12
• 5x³ - 13x² + 24x +12
• 5x³ +13x² - 24x - 12

(x-3)(x²+2x+7)

• x³-x²+x-21
• x³+5x+13x-21
• x³-3x²+7x-21
• x²+2x-3

Linda has a rectangular garden that's 3x-5 feet by 2x+8

feet. She wants to put a fence around the perimeter of the garden. If each foot of fence costs 5 dollars, how much will the total fencing around the garden cost?

• 50x + 30 dollars

• 10x + 6 dollars

• 6x²+14x -40 dollars

• 30x² + 70x - 200 dollars

• 13x - 21

• 2x²+11x-21

• 2x² +17x-21

• 3x + 4