Add & Subtract Polynomials

Things to remember

100

What are the two methods for solving addition and subtraction?

Horizontal and Vertical

200

What does not change when adding or subtracting like terms?

The variable and exponent

300

What happens to the second polynomial (or the polynomial being subtracted) when subtracting polynomials?

The signs of the second polynomial change.

400

When adding and subtracting polynomials what do you combine?

Like terms

500

What are Ms. Jenkins classroom expectations?

Appropriate language

Clean up after yourself

Be kind to yourself and your peers

No phones during instruction

Addition

100

(7x² + 5x³-6x+4) + (15x² - 7x + 5x³-6)

10x³⁺ 22x² - x -2

200

(9x + 9) + (-9x² - 8x + 6)

-9x² + x + 15

300

(-9x² - 4x - 1) + (5x + 10)

-9x² + x + 9

400

(7x² + x + 1) + (-6x² - 8x - 10)

x² - 7x - 9

500

(8x - 2) + (-3x² - 7)

-3x² + 8x - 9

Subtraction

100

(7x² + 5x³-6x+4) - (15x² - 7x + 5x³-6)

-8x²  + x + 10

200

(10x² + 9x - 8) - (9x² - 4)

x² + 9x - 4

300

(-x² - 4x + 1) - (2x² + 9)

-3x² - 4x - 8

400

(2x² - 4) - (-x² + 3x - 6)

3x² - 3x + 2

500

(-6x² - 10x + 4) - (8x² - 8x)

-14x² - 2x + 4

MATH FACTS

100

What are the rules for subtracting a polynomial from another polynomial ?

Remeber to distribute the -negative sign

200

62-43

39

300

4x-3x+6x-8x

-x

400

-42+44=?

2

500

(13x²+14) + (10x -18)

13x²+10x-4