Question

can somone check my work PLEASE?

Add.

(8.1x2 – 5.9x – 7.1) + (-9.8x2 – 8.1x – 4.8)
= 8.1^2 - 5.9x - 7.1 + 9.8x^2 - 8.1x - 7.1 - 4.8
= 8.1x^2 + 9.8x^2 - 5.9x - 8.1x - 7.1 - 4.8
= 17.9x^2 + 14 + 2.3

Answer 1

8.1x^2 - 9.8x^2 -5.9x -8.1x -7.1 -4.8
=-1.7x^2 - 14x -11.9

Answer 2

-1.7x^2-14x-11.9

Answer 3

Thanks!!