B^2- 4b – 14 = -2 In quadratic formula

asked Aug 13, 2021 4.2k views

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B^2- 4b – 14 = -2
In quadratic formula

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1 vote

Answer:b=6 or b=−2

Explanation:

Federico Sierra answered Aug 15, 2021

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2 votes

Answer:

Explanation:

b²-4b-14=-2

b²-4b-12=0

$b=(4\pm√((-4)^2-4*1*-12) )/(2*1) \\=(4\pm√(16+48) )/(2) \\=(4\pm√(64) )/(2) \\=(4 \pm 8)/(2) \\=2 \pm 4\\=2+4,2-4\\=6,-2$

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