1. Subtracting
Polynomials
KEEP CHANGE FLIP!

2. KEEP CHANGE FLIP!
Look at the picture above! All you do is:
KEEP the sign of the first term.
CHANGE subtraction to addition.
Flip the sign of the second term.

3. Subtracting Polynomials
With a POLYNOMIAL, you do it for EVERY term!

4. Your Turn!
Now you try some! Check your answers on the next
page.
1. (3x2 + 9x – 10) – (2x2 – 3x + 5)
2. (-4x2 – 6x – 3) – (2x2 – 10)
3. (8x2 + 6x + 9) – (3x2 + 12x – 8)

5. Answers
1. x2 + 12x – 15
2. -6x2 – 6x + 7
3. 5x2 – 6x + 17