Find the constants a and b such that x = -1 and x = 1 are both solutions to the equation ax^2 + bx + 2 = 0.

Guest Dec 22, 2021

#1**0 **

Input x=1. a + b + 2 = 0.

Input x = -1. a - b + 2 = 0.

Add the equations: 2a+4=0 --> **a=-2**

-2 + b + 2 = 0, so **b = 0. **

tinfoilhat Dec 22, 2021