Answer:
True.
Step-by-step explanation:
It explains itself right
Answer: b and c cuz an equation always has an equal sign
Step-by-step explanation:
Answer: 6,319,635,444
Step-by-step explanation: add both numbers together then round up
Ok so factoring quadratics is fairly easy once you get the hang of it
So we have a quadratic 
My first question would be what 2 numbers multiply to -2 and add to +1
the answer is 2 and -1
Second question what 2 values multiply to get 
the answer x and x
your factored form would be 
This is as far as i can explain there is a whole lot about quadratics to be learned. You have to ask your teacher on more information