Question

4+b-14b^2 pls solve it quickly
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Answer 1

Answer:

b= -1/2 or b= 4/7.

Step-by-step explanation:

4+b-14b^2=0.

14b^2-b-4=0.

14b^2-8b+7b-4=0.

2b(7b-4)+1(7b-4)=0.

(2b+1)(7b-4)=0.

2b+1=0 or 7b-4=0.

b= -1/2 or b= 4/7.