Subtracting Polynomials Practice

Opposite of Terms

100

-7x

7x

200

x

-x

300

14x

-14x

400

-2x

2x

Subtracting Polynomials

100

(x² + 5) - (2x² + 9)

-x² - 4

200

(9x³ + 7x² + 10x) - (x³ -7x +7)

8x³ + 7x² + 3x -7

300

(x³ + 5x - 4) - (-8x² - 5x - 6)

x³ + 8x² + 10x + 2

Rewriting as addition problems

100

9x - -7x

9x + 7x

200

-3x - x

-3x + -x

300

-10x - 14x

-10x + -14x

400

12x - -2x

12x + 2x

Writing opposite of polynomials

100

2x² + 9

-2x² - 9

200

(-x³ - 7x +7)

x³ + 7x -7

300

(-8x² -5x -6)

8x² + 5x + 6