Adding, Subtracting, Multiplying Polynomials

Multiplying Polynomials

100

What do you do when your multiplying polynomails?

Take each term of one polynomials abd multiplying it by each term of the other.

200

solve.

-3m(3m²+9)

-9m³-27m

300

solve.

-3u²(-3u²+5)

9u⁴-15u²

400

solve.

2v(3v²+v)

6v³+2v²

500

solve.

5(-z²+9)

-5z²+45

subtracting polynomials

100

What do you when subtracting polynomials?

Change the subtraction sign to an addition sign and change the sogns of all the terms in the polynomials being subtracted.

200

solve.

(8a+8)-(4a+3)

4a+5

300

solve.

(-4a³+3a+9)-(a-2)

-4a³⁺2a+11

400

solve.

(a-2)-(-4a³+2a+5)

4a³-a-7

500

Solve 

(x³-2x²+3x-3)-(x²-2x-3)

x³-3x²+5x

Adding polynomials

100

solve.

(3g²+4g+6)+(7g²+g+8)

10g²+5g+14

200

What is one thing you do while adding polynomals?

When adding polynomials you would want to combine like terms.

300

solve.

(3b+5)+(2b+4)

(3b+5)+(2b+4)=5b+9

400

solve.

9a²+8a+9+3+3a²

12a²+8a+12

500

solve.

16a²+10a

16a²+10a