12x2 + 3x + 6 and -7x2 - 4x - 2

Step-by-step explanation:12x2 + 3x + 6 + (-7)x2 - 4x - 2 = 0

12•x•2 + 3•x + 6 + (-7)•x•2 - 4•x - 2 = 0

9x = -4

x = -4/

9

≈ -0.444444

i think it will be zero as slope has a formula of difference between initial and final distance divided by itz time interval