HELP!! with this pls

1 Rearrange terms:

2(-a^2 + 10) + 7a

2 Distribute:

-2a^2 + 20 + 7a

3 Rearrange terms:

-2a^2 + 7a + 20

ANSWER:

-2a^2 + 7a + 20

i would need to see the dot plot : )

the rocket cannot penetrate the ground, in a contextual sense, therefore the roots of this equation should be the domain of this function. i'll let you find the roots of this quadratic equation (hint: use the quadratic formula:  

1- c

2-a

step-by-step explanation:

mark brainliest!