Multiplying Polynomials and More

-x³(9x⁴ - 2x³ + 7)

• -9x¹² + 2x⁹ - 7x³
• 9x⁷ - 2x⁶ + 7x³
• -9x⁷ - 2x³ + 7
• -9x⁷ + 2x⁶ - 7x³

 $\ \left(x+3\right)\left(x+5\right)$  

•  $x^2+8x+15$  

•  $x^2+3x\ +5x\ +15$  

•  $x^2+15x\ +15$  

 $\left(2x+9\right)\left(x-2\right)$  

•  $2x^2+13x-18$  

•  $2x^2+5x+18$  

•  $2x^2+5x-18$  

 $\left(3a-8b\right)\left(2a-b\right)$  

•  $6a^2-8b^2+19ab$  

•  $6a^2+8b^2-19ab$  

•  $6a^2+8b^2-13ab$  

Given the polynomial:
9x³ + 3x² + x - 5
What is the constant?

• 9
• 3
• 5
• -5

 $\left(n+8\right)\left(6n^2-n-4\right)$  

•  $6n^3+49n^2-12n-32$  

•  $6n^3+47n^2+12n+32$  

•  $6n^3+47n^2-12n-32$  

 $\left(2a+4\right)\left(a+1\right)$  

•  $2a^2+8a+4$  

•  $2a^2+6a+4$  

•  $2a^2+6a+5$  

Simplify the expression

(x - 3)²

• x² - 6x + 9

• x² + 9

• x² + 6x - 9

• x² + 6x + 9

• Add the numerators

• Make the denominators match

• Add the denominators

• Cross multiply

• Subtract the numerators

• Make the denominators match

• Subtract the denominators

• Cross divide