Question

In which of the following expressions is the coefficient of term "x" 1?

2x2−3x+12 x squared minus 3 x plus 1

3x2−x−53 x squared minus x minus 5

2x2+x−92 x squared plus x minus 9

x2+2x+7

Answer 1

3x^2 - 7x +4

Explanation:

see step on the file joint