Today in Algebra 2

• Go over homework• Get calculator.• Notes: Arithmetic with Polynomials• Homework

1) (2x4 – 5x2 + 3x – 7) + (5x4 + 3x3 – 7x2 – 12)=

7x4 + 3x3 – 12x2 – 19

2) (3x6 – 2x4 + 6x3 + 11) – (8x5 – 3x3 + 5x – 7)=

3x6 – 8x5 – 2x4 + 9x3 – 5x + 18

3) (2x – 9)(4x + 3)=

8x2 + 6x – 36x – 27=

8x2 – 30x - 27

4) (5x2 – 7x – 2)(-4x – 3)

-20x3 – 15x2 + 28x2 + 21x + 8x + 6=

-20x3 + 13x2 + 29x + 6