7.3(x+3.1)-2.71(3x-4.9)

Step-by-step explanation:

We want to simplify:

We use the distributive property to expand the parenthesis to obtain:

We group like terms on the right:

This finally gives us:

1.0

step-by-step explanation:

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!