Answer:
13 x^2 -6x -9
Step-by-step explanation:
8x^2-4x-3+5x^2-2x-6
Combine like terms
8x^2+5x^2 -4x-2x -6-3
I think the first part is 466
Answer:collecting data
x = -2
7x -6y = -20
y=1
7x - 6 = -20
7x = -14
5765865876+5737555586=11503421462