Question

Please helppp meee the picture is up there to answer the question

Answer 1

Answer:

-6x-5

Step-by-step explanation:

Answer 2

Answer:

6x^2-10

Step-by-step explanation:

(5x^2+2)-(-4x^2+7)+(-3x^2-5)=

5x^2+2+4x^2-7-3x^2-5=

5x^2+4x^2-3x^2+2-7-5=

9x^2-3x^2-5-5=

6x^2-10