Question

The sum of two expression is x²+9×-13
If
one of them is 2x² - 6x +7 Find the
other​

Answer 1

Step-by-step explanation:

let the other expression be a

Now,

a+2x²–6x+7 = x²+9x–13

a = x²+9x–13–2x²+6x–7

a = –x²+15x–20