Math

b^2 +5b-35=3b Solve

Asked by AnneS2 12 years ago 5/15/2013 5:27 AM

Last updated by anonymous 5 years ago 9/22/2020 9:25 PM

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Answered by CherieS 12 years ago 5/16/2013 1:57 PM

b^2 +5b-35=3b

b^2 +5b-35-3b=3b -3b

b^2 +2b-35=0

(b )(b ) ( -5)( +7)=0

(b-5) (b+7) = 0

Solve:

(b-5)=0

b-5+5=0+5

b=5

Solve:

(b+7) = 0

b+7-7=0-7

b=-7