I have to solve for b but I can't figure it out

Mathematics

2 answers:

WITCHER [35]3 years ago

4 0

$2b^2+13b-7=0\\\\2b^2+14b-b-7=0\\\\2b(b+7)-1(b+7)=0\\\\(b+7)(2b-1)=0\iff b+7=0\ or\ 2b-1=0\\\\\boxed{b=-7\ or\ b=0.5}$

Zielflug [23.3K]3 years ago

3 0

2b2 + 13b -7
b 7
2b -1

(b+7)(2b-1)

b=1/2 or b=-7

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