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alisha [4.7K]
3 years ago
6

6b^2+8b-10=0 please show how to do work

Mathematics
2 answers:
Len [333]3 years ago
5 0
Determine # of solutions using discrimination
D = b^2 - 4 ac
D=8^2 - 4 x 6 x ( -10 )
D = 304
D > 0
The quadratic equation has 2 real solutions
balu736 [363]3 years ago
4 0

<em>Greetings from Brasil....</em>

Let's solve this 2nd degree equation.

6b² + 8b - 10 = 0       dividing all terms by 2

3b² + 4b - 5 = 0         applying the baskara formula

Δ = 4² - 4 · 3 · (- 5)

Δ = 76

b = (- 4 ± √76)/6      so

<h2>b' = (- 4 + √76)/6</h2><h2>b'' = (- 4 - √76)/6</h2>

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