Question

X² = 5x + 6 = 0 if and only if x = 2. True False​

Answer 1

Did you mean x^2 + 5x + 6?

Explanation:

If so, then the answer would be x=-2 or x=-3

Step 1: Factor left side of equation.

(x+2)(x+3)=0

Step 2: Set factors equal to 0.

x+2=0 or x+3=0

x=−2 or x=−3