Question

I need help
With this question

Answer 1

b= -1/2 or b= -3

Explanation:

4b²+14b+6=0

4b²+12b+2b+6=0 {4×6=24, 12×2=24 and 12+2=14}

4b(b+3)+2(b+3)=0

(4b+2)(b+3)=0

4b+2=0 or b+3=0

b= -1/2 or b= -3