Question

Write your answer in descending powers of x.
What must be added to 3x -7 to make x^2 + 4x -1?

Answer 1

first add x^2 to make it x^2+3x -7

then add x, to make it x^2+4x-7

then add 6, to make it x^2+4x-1

So, altogether, you have to add

x^2+x+6

Answer 2

I think....

Answer 3

It's correct

Answer 4

what is this equation called?