Quiz about Multiplying Polynomials

Question 1

$$5\left(3n-3\right)$$

Accepted Answer

$$15n-15$$

Answer

$$9n-15$$

Answer

$$15n+15$$

Answer

$$15n-9$$

Question 2

$$\left(n-1\right)\left(7n-6\right)$$

Accepted Answer

$$7n^2-13n+6$$

Answer

$$7n^2+13n-6$$

Answer

$$n^2-13n+6$$

Answer

$$n^2+13n-6$$

Question 3

$$\left(2m+5\right)\left(3m+6\right)$$

Accepted Answer

$$6m^2+27m+30$$

Answer

$$6m^2-27m+30$$

Answer

$$6m^2-27m-30$$

Answer

$$6m^2+27m-30$$

Question 4

$$2\left(7n^2-2n+6\right)$$

Accepted Answer

$$14n^2-4n+12$$

Answer

$$7n^2-4n+12$$

Answer

$$14n^2-2n+6$$

Answer

$$14n^2+4n-12$$

Question 5

$$\left(n-1\right)\left(n^2-8n+4\right)$$

Accepted Answer

$$n^3-9n^2+12n-4$$

Answer

$$n^3-7n^2+12n-4$$

Answer

$$n^2+12n-4$$

Answer

$$n^3+9n^2-12n+4$$

Question 6

$$\left(v+1\right)\left(2v^2-4v+3\right)$$

Accepted Answer

$$2v^3-2v^2-v+3$$

Answer

$$2v^3-v+3$$

Answer

$$2v^3+2v^2+7v+3$$

Answer

$$2v^3+2v^2+v+3$$

Question 7

$$\left(3a^2+7a-5\right)\left(7a+2\right)$$

Accepted Answer

$$21a^3+55a^2-21a-10$$

Answer

$$21a^3-8a^2-49a-10$$

Answer

$$21a^3+8a^2+49a-10$$

Answer

$$21a^3-55a^2+21a+10$$

Question 8

$$\left(3x^2+2x-7\right)\left(8x^2+4x+8\right)$$

Accepted Answer

$$24x^4+28x^3-24x^2-12x-56$$

Answer

$$24x^4+4x^3-24x^2+12x-56$$

Answer

$$24x^4-4x^3-40x^2+44x-56$$

Multiplying Polynomials