Question

A = 3x2 + 6xy? - 18yº
B=-5x2 + 6y' - 8xy + 6x²y
C = 22x² +16yº - x?y
1. A + B
2. B + C
3. B-C
4. A-C
5. A + B +C
6. A-B-C​

Answer 1

Respuesta:

a)

3( {x}^{2} + 2x {y}^{2} - 6 {y}^{2}3(x

2

+2xy

2

−6y

2

b)

{x}^{2} + 6 {y}^{3} - 8xyx

2

+6y

3

−8xy

c)

21 {x}^{2} + 16 {y}^{3}21x

2

+16y

3