Question

If -6 and 2 are the roots of the quadratic equation x² + bx - 12 = 0, then what will be the value of b?
1️⃣ -4
2️⃣ 2
3️⃣ -2
4️⃣ 4​

Answer 1

Step-by-step explanation:

3 is the answer

x²+bx-12=0

x=2

2²+2b-12=0

16+2b-12=0

4+2b=0

2b=-4

b=-2