Question

A car company tested a sports car on a road with different inclines. The test driver tested the car by driving a distance of x miles on a flat road, (x2 + 3) miles downhill, and (x − 7) miles uphill. Which simplified expression is equivalent to the total distance, in miles, for which the car was tested?

3x2 − 4
3x2 + 10
x2 + 2x − 4
x2 + 2x + 10

Answer 1

@justus

@mhchen

Answer 2

I believe you need to simplify them together to get the answer

(x2 + 3)+ (x2 + 3)=

Answer 3

huh??

Answer 4

Its going to be C

Answer 5

Oh wait

Answer 6

Im so sorry my bad I was trying to copy the expression but I put it twice I didn't notice until now

Answer 7

So like this (x2 + 3)+(x − 7)

Answer 8

It will be x2+2x-4

Answer 9

okey

Answer 10

:)

Answer 11

can u help more?

Answer 12

Yes I can