Simplifying and Multiplying Polynomial Test

Simplify

(2x^3+5x^2)-(12x+2x^2)

• 2x^3+3x^2-12x

• 2x^3+2x-4x^3

• 2x^3-5x^3

• x^4-2x^2+4

Add the polynomials

(3w^3-3w^2+7)+(w^3+5w^2+2w-4)

• 3x^3+w^3-3w^2+5w^2+2w+7-4

• 3w^2+3

• 4w^3+2w^2+2w+3

• 4w^3-2w^2

Simplify

(12x^4+4x^2)-(2x^2-6x^4)

• 18x^4-2x^2

• 18x^4+x^2

• 23x^4

• 6x^5-8

Simplify.

(5x^3-3)+5(2x^2-3x^3)

• 3+5x^4

• -10x^3+10x^2-3

• 0

• 15x^3-4

Find the product.

2d(d-5)^2

• (2d^2-10d)(d-5)

• 10d^2-20d

• 2d^2+5d^5

• 2d^3-20d^2+50d

Rewrite in standard form.

4-3x+2x^2

• 2x^2-4+3

• 2x^2-3x+4

• 3x+2x^2+4

• 3x+2x^4-2

What is the degree in this expression?

2x^2-3x+4

• 2

• 3x

• 4

• 2x

Rewrite in standard form.

8y^3+10-4y+3y^5

• 10+3y^5

• 10y+8y^3-4y

• 3y^5+8y^3-4y+10

• 8y^3-4y

Find the product.

(7r+5)(3r-2)

• 21r^2+r-10

• 21r^3+10r

• 10r+3^2

• 12r-5

Find the product.

Express in standard form.

(3m^2-10(3m^2+9m-8)

• 9m^4+27m^3-27m^2-9m+8

• 27m^2-9m+8-9m^4

• 15m^3-7m-9-2

• 12m^3+3m-6m^4