Question

Answer the following questions: 2x+5, 11-3x, x²+4x, and x-7​

Answer 1

`2 x + 5 = \\ 2x = - 5 \\ x = ( - 5)/(2)`

`11 - 3x = \\ - 3x = - 11 \\ 11 = 3x \\ x = (11)/(3)`

`x - 7 = \\ x = 7`

x²+4x=??