santillanes12
santillanes12
18-08-2017
Mathematics
contestada
How do I solve this problem?
Respuesta :
kphung76127
kphung76127
18-08-2017
6b^2+24b-126
Factor out the gcf
6(b^2+4b-21)
Factor the inner trinomial
6(b+7)(b-3)
Use ZPP to find roots
(b+7)=0
b=-7
(b-3)=0
b=3
Final answers: b=-7, b=3
Answer Link
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