Add, Sub and Multiply Polynomials

Simplify the expression.
(4n⁴ - 8n + 4) - (8n² + 4n⁴ + 1)

• -8n² - 8n + 3 

• -7n² - 8n + 3 

• -6n² - 8n + 3

• -7n² - 4n + 3

• 5w ² − 4w + 3
• 12w ² − 9w + 6
• 12w ² − 12w + 9
• 5w ² − 12w+ 9

The length of rectangle is 6x + 4 and the width is 3x + 2. What is the area of the rectangle?

• 9x² + 12x + 4

• 9x² + 4

• 18x² + 8

• 18x² + 24x + 8

A rectangular garden has a length that is modeled by the expression 2x-7 and a width of 3x²+4x
What is the area of the garden?

• 6x²+21x²+8x-28

• 6x³-21x²+8x

• 6x³-13x²-28x

• 3x²-28x+17

Find the product:
(m+11)²

• m²+22m+121

• m²+11m+121

• m²+11m +11

• m²+22m +11

(4x³-5x²+3x)+(-2x³-x²+6x)

• 2x³-6x²-9x

• 2x³+6x²+9x

• -2x³-6x²+9x

• 2x³-6x²+9x

(3x + 4y - 3z) - (2x - 6y + 7z)

• x + 10y - 10z

• -x +10y - 10z

• x -10y - 10z

• -x -10y - 10z

(x +2)(x + 3)

• x² + 5x + 6

• x² + x + 6

• x² + 5x + 5

• x² + 6x + 6

(x - 5)(x + 1)

• x² - 4x - 5

• x² + 6x - 5

• x² - 5x - 4

• x² - 4x - 4

Multiply  7x²y³ (2x⁴y⁵+6xy³)

• 14x⁸y¹⁵+42x²y⁹

• 9x⁶y⁸+13x³y⁶

• 14x⁶y⁸+42x³y⁶

• 14x⁶y⁸+42x²y⁶